Investigating the death of a fellow officer, Eve Dallas receives a personal warning when a dead body is placed outside her home, and her subsequent experiences make her question her beliefs about right and wrong.

As a serial killer stalks the streets of New York, removing the hearts of his victims with surgical precision, Lieutenant Eve Dallas is forced to walk a dangerous line between justice and her career as she plays a deadly cat-and-mouse game with the murderer.

Lt. Eve Dallas searches for a serial killer who is a perfectionist and an artist. He offers his victims eternal youth by taking their life.