Clinical psychologist Dr. Tony Hill (Robson Green) has an extraordinary understanding of the criminal mind, enabling him to empathize with both victim and murderer. Working alongside Detective Chief Inspector Carol Jordan of the Bradfield Police (Hermione Norris), Dr. Hill profiles and tracks down vicious killers in Northern England.

Disc 1: Redemption
Someone is luring abused children to their deaths. Could these horrific crimes be motivated by love and loyalty?

Disc 2: Bad Seed
A string of brutal murders bears the unmistakable MO of recently released serial killer "Mack the Knife" MacAdam.

Disc 3: Nothing But The Night
Dr. Hill's profiling skills are put to the test when a series of bizarre attacks point to a seemingly schizophrenic killer.

Disc 4: Synchronicity
As a sniper randomly picks off victims, Dr. Hill must face his own mortality upon being diagnosed with a potentially fatal brain tumor.