In the gripping sequel to the instant thriller hit I Kill Killers, Leah and Agent Richter return to fight a new wave of crime. When an old foe resurfaces in Boston, Leah and Richter are thrust into a heart-pounding race against time to stop the killings. But as trust fractures and boundaries blur, the arrival of a new FBI agent adds an unexpected layer of danger to their mission.In a deadly game where killers hunt killers, someone will get hurt.