Jackie Malone has been murdered. Her body lies in a pool of blood in the north London flat where she worked as a prostitute. Deep knife wounds have been gouged into her corpse and her hands and feet are tied with coat hanger wire. For Detective Inspector Jack Delaney this is no ordinary case. He was a friend of Jackie's and she left desperate messages on his answer phone just hours before she was killed. Despite no immediate leads and no obvious suspects, the fear in her voice tells him that this was not a random act of violence.

Just as Delaney begins his investigation, a young girl is reported missing, feared abducted, and he is immediately tasked with finding her...