On the remote island of Monhegan, off the coast of Maine, everyone has more than one job. Game warden Diane Pinchino is the only semblance of law enforcement. As a winter storm batters the island, Diane begins to investigate the grisly discovery of a dismembered body. The body count increases with no clear motive or suspect. Without reinforcements, can Diane solve the case before someone she loves becomes the next victim?