When Kelly meets Victor on the dance floor of a Liverpool nightclub, the attraction is instant. After wandering through the night they find themselves at her flat, making love with a passion and urgency that neither had experienced before. Both Kelly and Victor are struggling to get by as best they can, while the people around them are choosing illegal lifestyles; she is escaping a brutish former lover, while he is being dragged into a world of drugs. It's when they make love that their darker instincts take over.
The murder of a female GP in a rural playground in front of numerous witnesses draws a group of detectives into an ever-darkening mystery that takes them across Europe, aided by mysterious notes sent by the "Ghost Detective".