An anonymous tip about a crime in Upper Manhattan proves to be a setup. An officer is taken down--and, despite the attackers' efforts, it's not Michael Bennett. New York's top cop is not the only one at risk. One of Bennett's children sustains a mysterious injury. And a series of murders follows, each with a distinct signature, alerting Bennett to the presence of a professional killer with a flair for disguise. Bennett taps his best investigators...

NYPD Detective Michael Bennett is on special assignment, chasing a killer who feeds on isolation and paranoia, and he will stop at nothing to protect family: his wife, his kids--and his fellow officers.