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

Elsewhere, a blood-splattered man is found beside the railway tracks but on recovering consciousness, he claims memory loss.

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

Despite this initial setback, Fitz and DS Penhaligan are determined to find out the truth.

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

There he meets Sean and his partner Tina, car thieves who embark upon a spree of violence.

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

Criminal psychologist Fitz turns down DS Penhaligon's offer of a bed for the night, but is then approached by Tina who asks him to accompany her to her flat.

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.

The death of Albie Kinsella's father has a disturbing effect on him and soon after, he kills an Asian newsagent.

With all the hallmarks of a racist attack, the police fail to make any headway. Meanwhile, criminal psychologist Fitz is trying to put some order into his personal life and, after sorting out his differences with DCI Bilborough, becomes embroiled in the case.

Albie is intent on killing the same number of victims as died in the Hillsborough football tragedy, and targets a freelance female reporter.

DS Beck stumbles upon him, but makes a tragic misjudgement, leaving Albie free to stab DCI Bilborough to death.

It looks like criminal psychologist Fitz will be needed to resolve the situation before any more deaths occur.

Following the murder of DCI Bilborough, the hunt is on for Albie.

DCI Wise takes over the investigation and criminal psychologist Fitz is brought in to defuse a potentially fatal and explosive situation.

DS Penhaligon tracks a serial rapist who revels in his crimes, but during the course of her investigation she becomes a victim herself, which inevitably changes her relationship with criminal psychologist Fitz.

When his wife returns, his life is thrown into even more chaos.

The police catch Floyd but criminal psychologist Fitz is unable to make a breakthrough before he has to be released due to lack of evidence.

Floyd's audacity grows as he phones Fitz on his radio show asking how a rapist should cover his tracks.