Detective Michael Bennett and the NYPD are aboard a police boat in the Hudson River searching for a murder victim - a young college student.

They find her tossed in the dark waves, dressed for a night out. The gruesome sight fills Bennett with dread only a father could fathom. As the obsessive killer extends his spree, a pattern emerges.

One that Bennett's eldest daughter fits to a harrowing degree. Now NYPD's top detective must lure the murderer into the light of day before the next deadly strike lands closer to home than Bennett could ever bear - as a parent and a protector.