In pursuit of buried treasure, a group of fortune hunters unearth an ancient demonic summoning stone that holds a terrible curse and awakens a timeless evil, the Krampus. After centuries of slumber, Krampus has awoken with a thirst for blood. /// A family is terrorized by Krampus while visiting relatives for Christmas.
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.