Just a chance remark made by a potential client, but to psychotherapist Frieda Klein it sets off alarm bells. Haunted by their significance, she is driven to find out more, and her search draws her into a dark world of missing young women inhabited by a predator so careful, so subtle that the police aren"t yet aware of his crimes. With each step Frieda gets closer to a silent killer whose determination to stay hidden is matched only by her desperate need to find him. And stay alive...