A twisted horror about a dinner party gone wrong. Set against an 80s backdrop, the good time takes a dark turn when one in the group hijacks the evening in an attempt to help the others come clean about their secret betrayals against one another–and is willing to cut through the bone in order to expose the truth.

Treachery centers on a man (Biehn) who is reunited with his estranged son at a remote wedding party. When a storm strands the party, ugly truths are revealed.

A Boston police officer goes to Nantucket to investigate the murder of his partner, but he finds more than he bargained for.