Since tragedy struck his own family, Lieutenant John W. Driscoll has been a man on the edge of both sanity and life. But now, with New York City in the grip of panic, Driscoll is needed more than ever. With time running out and the stakes rising every hour, he'll have to guide a troubled team while battling his own demons in order to hunt and catch the most cunning predator he's ever faced--a serial killer who is the very soul of evil and whose most shocking revelation is yet to come. . .