A blizzard is blowing "Under a Liar's Moon," and charming Willy has cabin fever. His pregnant wife, their daughter who’s interested only in make-up, their Grandpa who thinks he’s an alien, and their marooned neighbor become victims of Willy’s boredom. As soon as the blizzard passes, Willy plans to abandon his family, and because he finally tells the truth he believes his actions are justified. Then he learns the truth.