Une femme se retrouve en panne dans le désert. Elle ignore qu'une apocalypse zombie est en train de se dérouler mais elle ne va pas tarder à l'apprendre.

After the tragic deaths of her husband and daughter, Sarah Doyle moves back to her childhood home with her estranged brother, Richard. It's not long before Sarah begins to experience supernatural phenomena of a violent and hostile nature.

The first World War rages on when a group of American soldiers find a mysterious artifact that can summon the ancient evil of the Krampus. After the men are killed in action, the artifact is sent to the commanding officer's widow who is a teacher at a small-town orphanage. The orphans accidentally summon the Krampus and the teacher, and her pupils are forced to battle this ancient evil.