Michigan police Chief Laura Frizzo and Indiana Detective Jeremy Ogden team up to capture the enigmatic Kelly Cochran for the brutal murders of two men, her own husband, Jason Cochran, and her lover, Chris Regan. As the two investigators struggle to decode the mysterious murderer's mind games, they fall in love and marry, shortly before discovering that a sick & twisted marriage murder pact between Kelly & her husband may have left an endless trail of murder victims across the American mid-west.