A bumbling wedding party must battle the forces of hell when a bride becomes possessed by the Devil the night before her wedding.

CJ is a high strung business woman at the Versa Corporation working on the biggest deal in her company's history. Casey is a laid-back slacker who mooches off his brother Roy. When Casey goes into an interview at Versa only to qualify for unemployment benefits he winds up switching places with her. Now he must contend with her frenemy Lisa while she has to woo an Italian girl Casey's been flirting with.

Talulah, pregnant with her first born, wrestles with the reality of motherhood as she is confronted with memories of her own, mentally unstable mother.

The restaurant is dead in more ways than one. A huge party has canceled and dashed their hopes of a big holiday tip. Surviving the shift becomes much more than side work and a deep clean, when a Karen, unhappiness with her service, goes on a spree to murder the entire staff.