Following the break-up of his home life, criminal psychologist Fitz discovers that a young woman he knew has been viciously murdered.

Criminal psychologist Fitz is frustrated when another murdered woman is found and he is ordered off the case.

Problems between criminal psychologist Fitz and his wife Judith continue after Fitz is arrested outside his in-laws' house and taken to the station.

Whilst on their spree of violence, Tina and Sean murder a police officer.

Criminal psychologist Fitz interrogates Tina and realises that her psychological problems stem from her relationship with her family and she finds expression through provoking Sean.

Fitz continues his uneasy relationship with the Manchester constabulary when the crime fighters are called in to find a missing boy.

Criminal psychologist Fitz realises that Cassidy's confession is flawed, but he will not retract his statement.