Detective Tony Barone hunts a ruthless serial killer terrorizing New York City-only to uncover the truth that shatters his world: the killer is his estranged brother, Frankie.
Drawn into a deadly game of cat and mouse, Tony must confront not only the horrors of the murders but the darkness within his own family. As Frankie's cult of followers rises and the city drowns in fear, the brothers face their final reckoning on a storm-soaked rooftop.
In the end, Tony learns that some blood ties can never be escaped-only survived.