Blinded by ruthless ambition, a woman steals her sister's identity, igniting a brutal path of revenge.
Ru Bi is thrown into turmoil when Gyeong Min, the ex-lover she parted with five years ago, suddenly reappears as the new head of her division. Meanwhile, Ru Bi's younger sister Ru Na, a reporter at a cable broadcasting station, is dating In Su, a talented producer. In Su dreams of a simple, ordinary marriage, but Ru Na harbors far greater ambitions, setting the two on quietly diverging paths.
Gyeong Min asks Ru Bi for another chance, but she firmly pushes him away, set on not wavering again. Yet the moment she turns away, her heart grows tangled. Though she thought it was over, lingering feelings keep resurfacing, leaving her confused about what she truly wants. Meanwhile, In Su finds a curious mole on the sole of Ru Na's foot. But Ru Na's mind is heavy with another worry that she might be pregnant. Unsure how to face it or whom to confide in, she sinks into anxiety.
The pregnancy is confirmed, leaving In Su overjoyed while Ru Na sinks into despair. When Gyeong Min's confession drives Ru Bi to consider leaving the company, Gyeong Min calls her out and takes her to a place full of their shared memories. There, he confesses to her once more, stirring up the feelings Ru Bi has been trying so hard to bury.
Ru Na quietly visits the obstetrician on her own and ultimately decides to go through with an abortion. Meanwhile, Gyeong Min tells his family about his relationship with Ru Bi, and his father, Chairman Bae, heads to the company to see Ru Bi for himself, only to meet with an accident along the way.
When In Su suggests she quit her job and get married, Ru Na refuses to have the baby, prompting In Su to declare a breakup. Meanwhile, Chairman Bae meets Ru Bi and gives his blessing for the marriage.
Chairman Bae and Il Sun give their blessing for Gyeong Min and Ru Bi's marriage. Ru Na heads to the hospital for the abortion, but when the doctor advises against the procedure, she clings to In Su, desperately begging for his help.
Gyeong Min visits Gil Ja's place to ask for marriage approval. Watching from afar, Ru Na is overwhelmed with misery and mistreats Ru Bi. At Ru Bi's request, Ru Na goes to the company, where she accidentally meets Gyeong Min.
The day of Ru Bi and Gyeong Min's family meeting has arrived. Meanwhile, Cho Rim and Dong Pal chase the scammer who once stole her money in a taxi pursuit. And after the family meeting, Ru Na continues to lose her way.
On Ru Bi and Ru Na's birthday, the two sisters set off for Seoul together. Ru Na pushes Ru Bi to hand over her brand new outfit and forces her ruby ring off her finger. With Ru Na now dressed as Ru Bi and wearing her ring, the trip takes a frightening turn as Ru Na takes the wheel and sends them both into a dangerous drive.
After waking up from surgery, Ru Na is thrown into confusion when everyone around her begins calling her Ru Bi. As she tries to process what is happening, she learns that Ru Bi is in a coma. Seeing Gyeong Min sitting faithfully at Ru Bi's side, refusing to leave, something stirs inside Ru Na. A dark temptation begins to grow within her, one she finds difficult to push away.
In Su rushes to the hospital after hearing about the accident. He is shocked to learn that Ru Bi, not Ru Na, is pregnant. Meanwhile, Il Sun goes to Chuncheon to meet Gil Ja.
After her treatment, Ru Bi visits Gyeong Min's family, hoping to finally be accepted. But his grandmother still keeps her distance. As the engagement begins to shake, Il Sun urges Gil Ja to reconsider the marriage. Meanwhile, In Su notices the mole on Ru Na's foot and starts questioning the sisters' identities. Desperate to protect her new life, Ru Na begs him to keep her secret just once.
Gyeong Min visits Gil Ja's place to ask for marriage approval. Watching from afar, Ru Na is overwhelmed with misery and mistreats Ru Bi. At Ru Bi's request, Ru Na goes to the company, where she accidentally meets Gyeong Min.
It is the day of Ru Bi and Gyeong Min's family meeting. Meanwhile, Cho Rim and Dong Pal chase the scammer who once stole her money in a taxi pursuit. And Ru Na continues to lose her way.
Ru Na is deeply relieved to find out that Ru Bi has woken up with no memory of who she is. Seeing Ru Bi awake in Ru Na's face, In Su is consumed by the unbearable truth. Determined to stay in control, Ru Na works to convince Ru Bi that she is Ru Na, doing everything she can to make that identity stick.
Ru Na feels the weight of Ru Bi's memory loss, torn between guilt and the need to protect everything she has built. Her unease grows the next day when In Su shows up at Gyeong Min's home, threatening to disturb the fragile stability she has been holding onto. At the same time, Ru Bi begins psychological treatment.
On a trip to Chuncheon, Ru Bi runs into Yeon Ho and his friends. Mistaking her for Ru Na, Yeon Ho makes unwanted advances and Ru Bi narrowly avoids an uncomfortable situation. Ru Na is fully absorbed in her new life, enjoying every aspect of being a daughter-in-law in a wealthy family.
Ru Na is rattled when she is told to return to work, and her anxiety deepens after receiving a photo from In Su. Meanwhile, In Su is violently attacked by unknown assailants outside his home. At the office, Ru Na comes face to face with both In Su and Ru Bi at the same time.
Gyeong Suk gets deeply upset when Gyeong Min defends Ru Na. Gyeong Min himself is actually growing deeply disappointed in Ru Na because of her drinking and excessive shopping. Later on, Ru Bi and In Su arrive at the exact location where Gyeong Min and Ru Na are spending time together.
In Su and Se Ra are chased by a mysterious car. In Su gets angry when he finds out that Ru Na was behind it. Because of Ru Na's mistake, JM Group faces serious financial damage.
Gil Ja's family heads out on a picnic with Dong Pal and In Su. Back home, Ru Na is fuming after seeing a photo that In Su sent her. On the special cosmetics sales day, the scheduled host gets into an accident right before going on air. Ru Na steps in to take her place, going live in front of an audience for the very first time.
Riding high after successfully selling out the entire cosmetics line, Ru Na becomes a standout host at JM Home Shopping. Meanwhile, Gyeong Min invites his in-laws to an upscale restaurant for a family dinner. Just as the meal gets underway, In Su arrives at the restaurant with a gift box in hand, throwing the atmosphere into tension.
In Su threatens to reveal Ru Na’s secrets to Gyeong Min, while Ru Na struggles to protect her false identity as Jeong Ru Bi. Meanwhile, Geum Hui causes trouble with her plastic surgery plans, and a rehearsal accident raises new tensions around Gyeong Min.
Ru Bi injures her foot on set, and Gyeong Min helps bandage it, upsetting Ru Na. Meanwhile, In Su continues to threaten Ru Na by sending an ultrasound photo of a baby to Gyeong Min, which alarms her. After that, Ru Na goes straight to In Su’s place to make him an offer.
Ru Na sends Ru Bi on an errand to the company's logistics center. By chance, Gyeong Min happens to be visiting the same location when a security system malfunction traps them both inside together. When word gets out, Ru Na and In Su drop everything and rush over, each with their own reasons for wanting to get there fast.
In the middle of the night, Gyeong Min walks in on Ru Na frantically ripping pages out of her diary. Deeply unsettled by what he sees, he confronts her, and Ru Na brushes it off as stress. Amid the personal turbulence, a competing home shopping company reaches out to Ru Na with an enticing offer to come work for them.
Ru Na encourages Gil Ja to move quickly with In Su and Ru Bi's marriage plans, leaving Gil Ja deeply conflicted. When Gil Ja brings it up, Cho Rim mistakenly believes it is about her future with Dong Pal.
Although In Su refuses Yeon Ho's envelope of cash, he unexpectedly becomes the target of a bribery investigation. As pressure mounts and suspicion spreads, Ru Na accelerates In Su and Ru Bi's wedding plans in hopes of clearing his name.
In Su presents Ru Na with a video of her and uses it as leverage against her. He makes his terms clear: unless Ru Na takes steps to clear his name and remove the false charges against him, he will send the video directly to Chairman Bae and Gyeong Min. Ru Na is left with no easy way out.
Thanks to Yeon Ho's unexpected decision to come forward and turn himself in, In Su is finally cleared of the bribery charges. Later, Ru Na finds herself drinking alone when Gyeong Min unexpectedly crosses her path. Meanwhile, Ru Na takes a significant step forward in her career by signing the production contract for the Jeong Ru Bi Show.
In Su is viciously attacked and falls into a deep coma after surgery. As Ru Bi sinks into utter despair watching him fight for his life, Ru Na takes advantage of the chaos to quietly retrieve In Su's laptop and personal USB from Yeon Ho.
Ru Bi is moved to tears when In Su wakes up, and their relationship takes a new turn. Meanwhile, the first live broadcast of Jeong Ru Bi Show gets underway. As the show goes on air, In Su unexpectedly appears before Ru Na, leading to a dramatic turn of events.
In Su arrives at the decision to propose to Ru Bi, a choice that stirs something complicated in Ru Na. As In Su slides the ring onto Ru Bi's finger and proposes, a sudden flash of memory washes over Ru Bi. The image of the ruby ring surfaces from somewhere deep inside her, awakening something she has not been able to reach until now.
Ru Na intentionally knocks Ru Bi's ring away, making sure it gets lost. Later, Ru Bi arrives at In Su's place to wait for him after he is held up. While alone inside, she notices an unfamiliar box and finds herself drawn to it, unsure of what it might contain or what it could mean.
Gyeong Min becomes increasingly upset when Ru Na refuses to hand back Ru Bi's engagement ring. Meanwhile, Ru Bi is confronted with unsettling stories tied to her past and begins questioning what really happened before the accident.
Ru Na senses that Yeon Ho may have leaked sensitive information to Eun Ji, creating unease between them. At the same time, Chairman Bae reacts angrily after hearing that a documentary crew will be visiting because of Ru Na. While the growing conflict and pressure surround the family, Ru Bi carefully considers her future and reaches an important decision involving In Su.
Gyeong Min meets Ru Bi to give her ring back. When Ru Na spots the two of them together, she is overcome with anger. Meanwhile, Ru Bi is on her way to In Su's home to show him the wedding dress that Se Ra gifted her. At that time, she unexpectedly runs into Yeon Ho.
When Ru Bi wakes up, she leaves the hospital and goes to In Su's place, who doesn't know she has regained her memory. She is tormented by whether he knows she is Ru Bi or believes she is Ru Na, and she decides to take revenge on her sister who stole her life.
When Ru Bi wakes up, she leaves the hospital and goes to In Su's place, who doesn't know she has regained her memory. She is tormented by whether he knows she is Ru Bi or believes she is Ru Na, and she decides to take revenge on her sister who stole her life.
Ru Bi asks In Su to postpone their wedding, while her behavior begins to resemble Ru Na before the accident. Gyeong Min grows anxious when Ru Na finds Ru Bi's muffler at home, raising suspicion and tension. As family conflicts deepen, Ru Na struggles with feelings of rejection and jealousy, believing Ru Bi has always taken love and happiness away from her.
Ru Na starts wondering whether Ru Bi's memories may have returned after seeing her unusual behavior. Meanwhile, Ru Bi discovers a notice for JM Group's in-house competition, leading her to consider a new opportunity.
In Su grows suspicious that Ru Bi's memories may have returned, while Ru Bi decides to participate in JM Group's proposal competition. As tensions rise, Ru Na steals Ru Bi's laptop to interrupt her chance to enter the contest.
Cho Rim is upset by how rudely Dong Pal treats Gong Nam, while Il Sun lends Geum Hui some money. After a heated argument with Ru Na, Gyeong Min calls In Su to come meet him. By the end of the night, In Su finds himself carrying a drunken Gyeong Min all the way home.
Cho Rim and Dong Pal share a moment that reaffirms their feelings for each other. Things take a darker turn for Ru Na and Gyeong Min as an argument escalates and Ru Na ends up leaving a mark on his face. Upset by what happened, Gyeong Min retreats to the study, where he drinks with his father and eventually falls asleep.
Ru Bi's proposal receives strong praise and earns her a position in Marketing. Meanwhile, distracted by Ru Bi, Ru Na makes a mistake during a live broadcast, and when the microphone is passed to a foreign audience member, she gets flustered and pretends to faint to avoid the embarrassment.
After being forgiven by her in-laws, Ru Na returns to work. Meanwhile, Ru Bi's proposal wins the grand prize, leaving Ru Na in shock and completely confused as to how Ru Bi managed to submit it since Ru Na had already stolen Ru Bi's laptop.
After a tense fight with Ru Bi, Ru Na becomes suspicious that her lost memories may be returning when the accident is brought up again. Meanwhile, Cho Rim feels upset by Gil Ja's unfair treatment toward Dong Pal compared to other sons-in-law.
Gyeong Min officially takes part in Ru Bi's project, giving them more chances to work closely together. Meanwhile, Ji Hyeok feels conflicted after unexpectedly seeing Cho Rim at a restaurant. As Ru Bi and Gyeong Min spend long hours away for meetings, Ru Na starts feeling anxious about their growing connection.
During the company retreat, the group splits into hiking pairs, with Ru Bi paired with Gyeong Min and Ru Na alongside In Su. As In Su looks out for her along the trail, Ru Na finds herself unexpectedly moved by him. Meanwhile, Ru Bi and Gyeong Min realize they've lost their way.
Gyeong Min is left confused after hearing Ru Bi call him "Gyeong Min." Ru Na becomes upset when she sees Ru Bi's scarf that Gyeong Min never returned. As tension builds in his marriage, Gyeong Min decides to keep his distance from Ru Bi for the sake of his relationship with Ru Na.
Ru Bi struggles after regaining her memories and realizing In Su knew the truth all along. Determined to stop Ru Na, she decides to act as Jeong Ru Na for now. Meanwhile, Gyeong Min grows suspicious of Ru Bi's behavior, leading to a painful confrontation at the accident site. As the family learns Ru Na may remember again, Ru Bi prepares to face everything she has lost.
Ru Na realizes she loves Gyeong Min after their argument, and Cho Rim tells her that Ru Bi has regained her memory. Shocked by the news, Ru Na goes to find Ru Bi to confirm if it's true. Meanwhile, Yeon Ho heads to the company to meet Ru Na, and Bae Se Ra offers Ru Bi the Home Shopping host position, which Ru Bi says she'll think about.
Gyeong Min hands responsibility for the new product development project over and shifts his focus elsewhere. While reviewing financial records, Ru Bi notices inconsistencies between the budget Ru Na reported and the amount that was actually spent, raising concerns about possible irregularities. Elsewhere, Geum Hui finds herself dealing with unexpected difficulties after being misled by Dae Pung.
Yeon Ho unexpectedly demands compensation from Ru Na, and Ru Bi becomes increasingly convinced that something is wrong behind the scenes. Meanwhile, Gyeong Min receives a message instructing him to look into the Marketing Department's expense records, setting off a new chain of questions.
Ru Bi learns that Ru Na embezzled company funds in order to pay off Yeon Ho, and decides to send the evidence anonymously to both Gyeong Min and Se Ra. Around the same time, Ru Na and Yeon Ho agree to meet at a cafe near the office, where tensions quickly rise.
Quietly launching his own investigation, Gyeong Min meets with Eun Ji to try to figure out where exactly Ru Na's missing funds went. Gil Ja hands Dong Pal a sum of money, insisting he use it to pay back the debt left behind by Dae Pung's scam.
Chairman Bae collapses after learning Ru Na stole company money. Gyeong Min decides to end the marriage and tells her to get a lawyer, while Gil Ja begs him to forgive her. Ru Na tries to secure her future through divorce and broadcasting work, but faces rejection. As the Audit Team confirms the evidence, Ru Bi's revenge begins to close in on Ru Na.
Gyeong Min tells Chairman Bae that he wants to get a divorce, and Chairman Bae firmly instructs Gyeong Min and Ru Na to go through with it despite Il Sun's opposition. Then, Ru Na begs for forgiveness, but she suddenly feels nauseous and starts vomiting...
Even after hearing about Ru Na's pregnancy, Gyeong Min struggles to put his mind at ease. Questions about Ru Na's usage of company budget continue to weigh on him, prompting him to revisit a detail that has been bothering him. Remembering the baby clothes In Su once gave Ru Na, Gyeong Min decides to meet with him in hopes of finding answers.
Ru Na grows increasingly anxious that her secret may be uncovered and refuses to be examined by a doctor who visits the house. Geum Hui unexpectedly comes face to face with Dae Pung. Meanwhile, Il Sun and Gyeong Suk accompany Ru Na to an obstetrics clinic, adding to the pressure surrounding her situation.
Ru Na says something loaded to Gil Ja, leaving an uneasy impression. In Su catches a glimpse of Ru Na's ultrasound image, and it brings back memories of the time she was carrying his child. Dong Pal gets into a confrontation with Dae Pung, who has returned.
Ru Na's ambition grows stronger after hearing Il Sun and Gyeong Suk discuss the inheritance they plan to leave their grandchild. Later, while heading to meet Eun Ji, Ru Na runs into Yeon Ho unexpectedly. Trying to avoid him, she rushes away and ends up falling.
Dong Pal decides to leave Cho Rim and call off the wedding for Ji Hyeok's sake, causing his health to deteriorate from grief. Meanwhile, Ru Na struggles with stress, unable to tell the family about her miscarriage. Ru Bi keeps threatening to tell her husband unless she confesses, so Ru Na starts looking for a way to pretend in front of the family that she is still pregnant.
In Su learns that Ru Na has been hiding her miscarriage, while Ru Bi visits Gyeong Min's home to deliver food from Gil Ja and wins over his family. After persuading Gyeong Min to show her the newlywed room, Ru Bi's jealousy grows. Meanwhile, Ru Na struggles to keep her fake pregnancy from being exposed, and Ji Hyeok is shocked to learn the truth about his birth.
In Su questions Ru Na about a matter she has been keeping hidden and is surprised by her response. Meanwhile, Dong Pal is unsettled after hearing unexpected news from So Yeong that Ji Hyeok realized his birth secret.
Il Sun begins to question Ru Na after noticing her unusual reaction during a family encounter. Elsewhere, Cho Rim unexpectedly comes across Dong Pal in a surprising situation, raising new concerns. Meanwhile, Ru Bi receives a phone call from a reporter.
When Ru Na shows up at the hospital where Il Sun is staying, Il Sun has her sent away. Following the incident, Gyeong Min decides to send Ru Na back to live with her own family. After Ru Na's belongings arrive at Gil Ja's house, Ru Na turns to Gil Ja and asks for her help.
Following an argument with Gil Ja, Ru Na ends up getting kicked out of a hotel room after her card is declined. Ru Bi appears on television to celebrate the success of a new product launch and is asked a question about her sister. From her hotel room, Ru Na watches Ru Bi on screen.
Gil Ja visits Il Sun at the hospital and meets Gyeong Min to beg for their forgiveness for Ru Bi's sake, but her pleas fall on deaf ears as they refuse to back down. Meanwhile, tension builds at home as So Yeong notices that the distinct mole on the sole of Ru Bi's foot is missing, leaving her deeply puzzled.
When In Su and Ru Bi unexpectedly visit Eun Ji's place, Ru Na hides in the closet and secretly eavesdrops on their conversation. She discovers that Ru Bi has regained her lost memories. Shocked and suspicious, Ru Na comes out of hiding and confronts Ru Bi.
Ru Na checks into an old inn, takes out a bottle of pills, and calls Gil Ja. After the call ends, Gil Ja is overcome with a sense of dread and breaks down in tears. Ru Na, having made up her mind, then places a call to Gyeong Min.
Jin Hui reaches out to Ru Na, asking for her help in preventing a runaway teenager named Ji Yeon from harming herself. Ru Na decides to call Ji Yeon directly. As they talk, Ru Na begins to feel that this connection with Ji Yeon might open up a new path forward for both of them.
After saving Ji Yeon, Ru Na is thrust back into the media spotlight and sees a chance to reclaim everything she nearly lost. But Ru Bi has regained her memory, and every kindness Gyeong Min shows Ru Na cuts deeper. As old love, stolen happiness, and buried truths collide, both sisters face a dangerous new turning point.
Ru Na returns to her in-laws after Gyeong Min gives their marriage one last chance. Dong Pal and Cho Rim plan to marry without a wedding due to finances, but Gil Ja strongly objects and insists on one. Hearing this, Gyeong Min arranges a small wedding at his Jeju farm, where Cho Rim unexpectedly meets her first love from middle school.
Gil Ja becomes increasingly uneasy after overhearing a tense exchange between Ru Bi and Ru Na. As questions and suspicions begin to surface, Ru Bi finds herself revisiting places tied to her past. At a cafe filled with memories, she unexpectedly encounters Gyeong Min, stirring emotions she thought had long faded.
Gyeong Min struggles to make sense of recent events, caught between lingering memories and unexpected encounters. In Su is equally unsettled after a drunken misunderstanding creates further confusion. Meanwhile, Ru Na deliberately wears Ru Bi's ring to provoke her and stir tension.
Gil Ja overhears an argument between Ru Bi and Ru Na and begins to suspect that something unusual happened after the accident involving the two women. Meanwhile, So Yeong gradually develops feelings for Ji Hyeok as he steps in to help her at the Dakgalbi restaurant.
Gil Ja finds herself weighed down by guilt and unable to shake her uneasy feelings. At the same time, Ru Na receives an unexpected offer from a former broadcasting Bureau Chief who once worked on a Jeong Ru Bi Show. Meanwhile, Gyeong Min seeks out In Su to ask about the remarks he made while drunk during their trip to Jeju.
Gil Ja is overcome with guilt and tears upon seeing Gyeong Min. Gyeong Min catches Ru Na arguing with Yeon Ho. Separately, the Bureau Chief proposes a new talk show idea, one that would have Ru Bi and Ru Na co-hosting together as sisters.
Ru Bi and Ru Na film a commercial together for the company. Meanwhile, Gyeong Min meets with Yeon Ho and learns about the deal he made with Ru Na. Confronting Ru Na afterward, Gyeong Min presses her about her relationship with In Su, then calls in someone from the audit office.
Ru Na answers Gyeong Min's phone call as if to show off, while Ru Bi also calls him shortly after on her side. Gyeong Min ends up meeting Ru Bi instead of Ru Na, and Ru Bi gives him a scarf in the same color as the one she gave him during their dating period.
Gyeong Min is deeply confused by a strange gift given to him by Ru Bi. A distressed Gil Ja gets heavily drunk, causing a massive scene for the first time in her life. Meanwhile, Se Ra overhears a highly intoxicated In Su mumble both Ru Bi and Ru Na's names.
Ru Na announces to Gyeong Min and his family that she plans to run in the by-election. She asks In Su to join her campaign, while Ru Bi urges Ru Na to withdraw from the race.
A video of Ru Na and In Su is uploaded online. When Ru Na demands that it be taken down, In Su insists he had nothing to do with it. Hurt by the situation, Gyeong Min opens up to Ru Bi about how he truly feels.
Ru Bi confesses to Gil Ja that she was the one who posted the video, and Gil Ja responds by telling her that she already knows the secret the two of them have been hiding. Shaken by the conversation, Ru Bi walks away and unexpectedly runs into Gyeong Min.
When Ru Na asks Ru Bi to do a press conference, Ru Bi agrees only on the condition that they switch faces back. As more people begin to turn on Ru Na, she grows desperate. She tells Gil Ja that she'll end her life if she can't convince Ru Bi to go through with it.
Gil Ja begs Ru Bi to forgive her sister and take the blame by claiming she fabricated the video, but Ru Bi firmly refuses. This leads Gil Ja to reveal the truth that Ru Bi is not her daughter, but her husband's child from another woman. Ru Bi later holds a press conference and admits to fabricating the video, making Ru Na believe the matter is over. Meanwhile, Chairman Bae grows suspicious and assigns someone to investigate the truth behind the video.
Chairman Bae questions Ru Bi about whether her press conference statement was true, forcing old secrets back to the surface. Overwhelmed by guilt and pain, Ru Bi decides to leave everything behind and go abroad with In Su. Meanwhile, Ru Na is ordered to withdraw her candidacy, and as her political ambitions collapse, her anger and desperation grow.
Ru Na gives Gil Ja money to pass on to Ru Bi. At Chuncheon Hospital, Chairman Bae learns that Ru Na lost her baby after the accident and hears that Ru Bi had come with the baby's ultrasound photo.
After losing Chairman Bae, Gyeong Min struggles with the emptiness he left behind and finds comfort in Ru Bi. He then asks Director Kim for the files on Ru Na's background check that Chairman Bae requested before his death. As Gyeong Min reviews the files, he starts to uncover the secrets surrounding Ru Na.
After discovering that Ru Na and Ru Bi switched faces, Gyeong Min meets Gil Ja and demands to know if everything is true. He then turns to Ru Na and asks her to recall the exact words he said when he proposed to her to see if she is truly Ru Bi.
As Ru Na furiously demands to know why she admitted everything, Gil Ja finally reveals the truth. She tells Ru Na that the daughter she brought home all along was Ru Bi. Meanwhile, Gyeong Min drinks alone as he reflects on everything that has happened. He decides to call In Su and ask him to meet.
After receiving his draft notice, Ji Hyeok registers his marriage with So Yeong. Gil Ja is startled when Ru Na answers Ru Bi's phone call, then finds Ru Na choosing clothes in Ru Bi's room.