When body parts start turning up across New York, panic sets in over the possible return of a known serial killer. As detectives connect the dots, they uncover a simmering dispute that exploded into a crime far more disturbing than anyone imagined.

A seaside home becomes the scene of a gruesome double homicide when a couple is found dead during a welfare check. After shocking video evidence surfaces, investigators race to identify the killer and uncover a ruthless murder plot fueled by revenge.