Alcoholic band manager, Thom, violently spirals in the hours leading up to his daughter's birthday. He scrambles across town in a final ditch effort to win back her trust and that of his ex-wife, however, it soon becomes clear that his past behavior may never allow him to see them again.

When a Catholic youth ministry is invited to spend the night in a vacant Mexican church, they're suddenly trapped by the ghostly apparition of a vengeful nun. Now their only hope is to break the curse before she claims them all, one deadly sin at a time.