Forensic physician Dr Anya Crichton is on the trail of a serial rapist. When two of the victims are stabbed to death, police suspicion immediately falls upon Geoffrey Willard, recently released from twenty years in prison for the brutal rape and murder of a fourteen-year-old girl.

Unravelling the forensic evidence, Anya is confronted with the greatest ethical dilemma of her career. If Willard is innocent, she is about to blow the whistle and destroy a fellow pathologist's reputation. If he is guilty, her involvement has jeopardised the investigation and ensured a rapist-murderer goes free.

Only the killer knows that a mistake has been made. One that could prove fatal...