1. Discover
A police detective named Ango Ishikawa takes a bullet to the head while investigating a murder scene. He miraculously recovers and returns to work.
Border — Season 1
2. Rescue
A serial killer is targeting high school girls. Ishikawa and his colleagues go to take the killer into custody, but he kills himself in front of them.
3. Linkage
An examination of the body of a young man found in the suburbs outside of Tokyo reveals that he was killed elsewhere and his body was moved.
4. Blast
A homeless stabbing victim is found in a wide open athletic field with a "handle with care" sticker placed on his body.
5. Recall
A man whose body is found outside a home in a residential area is suspected to be another victim in the recent spate of violent robberies.
6. Anguish
A university student’s fall to her death from an apartment building is dismissed as a suicide, but Higa is suspicious and continues investigating.
7. Defeat
When a university student is killed in a hit-and-run accident, Ishikawa learns from the deceased that the driver is the son of a politician.
8. Conclusion
The killing of a former police detective shot in the head at close range resembles another unresolved case of a police killing.
9. Last Decision
An eight-year-old boy goes missing at a shopping mall. At first it is treated as a kidnapping but the boy’s body is discovered the next morning.