Offender profiler Frank Black, a member of the private investigative organisation Millennium Group, is sent to San Francisco to track down a doomsday cult which murders its brainwashed members when they disobey it.

Against the initial resistance of the Group, Frank travels to Portland, Oregon, to investigate a murder at an animal shelter. He meets with Jim Horn, a profiler and candidate for the Millennium Group. But Horn is distracted by his imminent divorce, and there is tension between him and Frank. When the killer strikes again, Horn is losing control, and Frank not only has to catch the killer who leaves grisly messages on his victims, but he has to contend with Horn as well who is more than ready to stop the murderer with terminal prejudice.

Forensic profiler Frank Black, a member of the private investigative organization Millennium Group, is asked to investigate a vigilante who uses newly released convicts to execute those he deems guilty.

Frank and Peter assist an FBI investigation when a mad bomber terrorizes Washington, D.C, by blowing up buildings then to come out looking like a hero, the bomber goes back into the wreckage to save victims. Frank and Peter help search for the bomber whose attention starved personality may be the key to his undoing.

A desperate man sets out on a killing spree taking revenge on the holy men that he believes have led him to stray. Frank can see the man's sense of faith and the lack his faith could be the key to stopping this killer. Frank then puts himself in danger when he walks into a hostage situation at a small town church.

At a Seattle cemetery, James Dickerson, a handsome 20-year-old, lurks outside the chapel during a college football player's funeral. After the mourners leave, James approaches the deceased's mother and sister. Calling himself "Ray Bell," he gains their trust by pretending to be a friend from college. He hugs the boy's grieving mother, savoring the hug in an unsettling way. That night, the mother visits the open grave one last time, when suddenly hands reach out of the grave, and drag the terrified woman inside.

Clinical social worker Catherine Black aids a family as they come to terms with the incestuous abuse they have suffered for decades. However, the father who is responsible still commands respect and political connections in the area, making the case a difficult one.

A man, Cutter, parks his automobile near a home with a "For Sale" sign on the front lawn. After speaking briefly with a realtor, Cutter signs his name in a guest book and makes his way through the house, where he takes particular interest in a little girl's bedroom. Later that evening, the owners return home and tuck their young daughter, Patricia, into bed. Later that night, Patricia suddenly begins screaming.

Maddie Haskel, twenty-years-old and heartland pretty, attends her mother's funeral in Joplan, Missouri. After the service, Maddie returns to her family's home, where she is approached by a vicious-looking man named Jim Gilroy. Gilroy's attempt to rape Maddie comes to a sudden halt when Maddie's boyfriend, Bobby Webber, emerges from the shadows wielding a length of iron pipe. After Gilroy is knocked unconscious, Bobby and Maddie drive off into the night with their prisoner safely tucked away in the trunk of their automobile. A Missouri State Trooper notices the vehicle has a burned-out tail light and orders Bobby to pull over. When the trooper hears noises emanating from the trunk, Bobby grabs a .357 and shoots and kills the trooper.