Henry (Michael Biehn) and his estranged son, Nathan, are forced to spend time together during the weekend of their friend"s wedding. But when a thunderstorm traps the wedding party in a cabin for the weekend, Henry reveals that he slept with Nathan"s fiancée, Cecilia, in a one night affair. As more secrets come out, and tensions run high, the entire group becomes caught up in a tangled web of lies that teeters on the precipice of complete disaster.