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.

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.

A Catholic father-of-four is arrested after a prostitute is found murdered, but he denies the crime.

Beck returns from sick leave to work alongside Penhaligon, who is privately convinced that Beck raped her but has no forensic evidence.

While Fitz faces a family tragedy, a second prostitute is attacked while the chief suspect is still in custody.

An identical murder takes place while David Harvey is in custody.

Fitz visits his priest brother Michael and accuses him of murder, while Maggie Harvey demands that her husband is released.