Success can never be guaranteed in every case Alexandra Cooper prosecutes, but for once the odds are with her; she is able to put away a serial rapist for a crime he committed over twenty years previously. Outside the courtroom another predator is at large. His first victim was a call-girl and it seems as though detectives need to look amongst her clients for the killer - but the discovery of other corpses, the modus operandi remarkably similar to the first, turns the investigation into a hunt for a viciously sadistic murderer...