Lisa Gardner, the New York Times bestselling author of Hide and Gone, draws us into the venomous mind games of her most terrifying killer yet.

Come into my parlor . . .

For Kimberly Quincy, FBI Special Agent, it all starts with a pregnant hooker. The story Delilah Rose tells Kimberly about her johns is too horrifying to be true—but prostitutes are disappearing, one by one, with no explanation, and no one but Kimberly seems to care.

Said the spider to the fly . . .

As a member of the Evidence Recovery Team, dead hookers aren't exactly Kimberly's specialty. The young agent is five months pregnant—she has other things to worry about than an alleged lunatic who uses spiders to do his dirty work. But Kimberly's own mother and sister were victims of a serial killer. And now, without any bodies and with precious few clues, it's all too clear that a serial killer has found the key to the perfect murder . . . or Kimberly is chasing a crime that never happened.

Kimberly's caught in a web more lethal than any spider's, and the more she fights for answers, the more tightly she's trapped. What she doesn't know is that she's close—too close—to a psychopath who makes women's nightmares come alive, and if he has his twisted way, it won't be long before it's time for Kimberly to . . .