How well do we ever know anyone? Even someone we might be falling in love with... On a rainy October morning, Mallory Petersen, private detective and martial artist, discovers the corpse of her boyfriend, Bobby Furillo, in front of her office in Des Moines, Iowa. Bucking police authority and continually attacked by unknown adversaries, Mallory discovers Bobby's devastating secrets. Each new revelation puts Mallory in deeper peril from powerful and dangerous people, but she won't stop until she learns the truth.