Dr. Claire Waters's patient Rosa Sanchez is finally getting her life together after being victimized for years. So it's a shock when Rosa is handcuffed and led away by a man Claire assumes is law enforcement. But Rosa has been abducted. Turning to her friend Nick Lawler, a homicide detective in the NYPD, they must track down a deranged criminal who reduces his victims to nothing but bones. A brilliant gamesman obsessed with order and perfection, scrawling words and phrases across the walls of his basement apartment, the killer has been preparing for this moment all of his life-- when the object of his obsession, Dr. Claire Waters, is in the game. Win, lose, or die ...

Sequel to: Kill switch.