When Chris receives a phone call from Ruth frantically asking for his help, he assumes it is a ruse to stop him ending their affair. Feeling obliged to go to her, he finds Ruth in a state of terror - scratched, bruised and frightened to go home. Soon an unpleasant and bizarre sequence of events is unfolding, and the escalating game of cat and mouse leaves a young woman lying dead in a grimy city alley. Lieutenant Joe Dickerson will need all of his cunning and ingenuity to uncover the killer...