After having disturbing visions and finding a man who was in one of his visions dead of suicide, Cade Foster's life is suddenly turned upside down; his house bugged, credit cards not working, job gone, and his wife terrified even to go home, things go from bad to worse.
On the run from the law, Cade seeks help from a paranoid conspiracy theorist named Crazy Eddie.
With Eddie's help, Cade poses as a math genius to investigate the mysterious death of a grad student in Boston.
A quatrain leads Cade to a rural area where a best-selling psychiatrist is helping people deal with alien encounters through hypnotic regression.
A beautiful young woman dancing in a bar suddenly dies of extreme old age.
Cade poses as a drifter to investigate a religious cult and finds that the messianic leader is delivering a message to beware of an impending invasion.
A young boy finds a bass that can breathe on land and Cade, posing as a tabloid reporter, travels to Indiana to see it.
Cade and Eddie travel to Salem, Oregon, where a high school student accused of killing three high-ranking members of the community claims that she is a witch and the victims were not human but demons.
Cade is on the run in the Montana wilderness as the police and U.S. Marshalls surround him. Posing as a Marshall, Joshua joins the hunt.
Cade and Eddie travel to Missouri to investigate the disappearance of a hot-rodder during a drag race.
Investigating a small California inn, Cade becomes one of the subjects of an alien experiment that makes the guests' dreams come alive so that they can no longer tell what is real and what is merely a beguiling illusion.
Cade poses as a track coach to investigate reports of superhuman abilities in some of the students at a private school in New England.
Contacting his late wife's best friend for help, Cade discovers that she and other members of an exclusive club are the subjects of an alien experiment that uses a parasitic blue worm to read people's memories.
Following up on a report by a teenage boy about a sexy alien woman who is impervious to bullets, Cade discovers that she is manipulating the men in the community to do her bidding by means of a pheromone ingredient in her perfume.
Going back home to visit his wife's grave, Cade is captured by police officers and interrogated, but he manages to turn the tables on them and find out important information about the alien agenda.
Joshua's latest assignment is to track down and assassinate the Gua agent assigned to keep tabs on a physics professor who may be on the verge of discovering wormhole technology. The agent has fallen in love with the professor and must be killed before she reveals secrets of Gua technology to him.
A man hoping to get pictures of his wife cheating on him instead accidentally takes pictures of a UFO.
Cade fakes a diabetic seizure to get admitted to a hospital to look for an ally promised in one of the prophecies. In an unused wing of the hospital, he finds a blind woman who is undergoing an experimental treatment to regain her sight.
Cade investigates a small town plagued by rain for more than three years.
After a rock concert erupts into violence, Cade and Eddie find a Nostradamus quatrain that seems to suggest that music might be making young people aggressive.
A teenager accidentally intercepts a Gua transmission on his ham radio and records it on a disc. Cade races against the Gua to retrieve it.
Clip show: The leaders of the Gua First Wave force meet to decide if it is time to begin the Second Wave.