While the holiday season, an ancient European folklore warns of Krampus, a horned beast who punishes naughty children at Christmastime. When dysfunctional family squabbling causes young Max to lose his festive spirit, it unleashes the wrath of the fearsome demon. As Krampus lays siege to the Engel home, mom, pop, sister and brother must band together to save one another from a monstrous fate.
