The Boundaries of Madness

Ziba MacKenzie is a profiler and consultant for Scotland Yard. She creates a psychological portrait of the criminal. For her, fingerprints and DNA at the crime scene are not as important as the personality, motives, projections, and psychological traumas from the past that drove a person to commit a crime. London, rush hour. A suburban train crashes and literally falls apart. Ziba, who was on it, tries to save her fellow passenger. As she is dying, the woman whispers: "He did it. You must tell someone." ...A serial killer, returning to the city, feels a surge of inspiration. He has waited for this moment for 25 years. Ziba begins the investigation, unaware that she is given a special role in the maniac's script…