People are inexplicably disappearing from Chicago prosecutor Jess Koster's life. First her mother vanished without a trace eight years ago. And now a client, the victim of a brutal, sadistic rapist, is also missing. Someone is disrupting Jess's neat, ordered existence with chaos and terror. And from the shadow of her past, a maniac is watching her . . .stalking her -- until there is no one Jess can trust her mysterious tormentor is perilously close -- and that the next person to vanish from the face of the Earth will be Jess Koster.