Jeremy, a police officer directs a life span of a confusing past, spending his time that is present looking as a child. After other children begin missing, Jeremy pieces together the truth and understands his childhood kidnapper might be a creature of ancient yuletide lore, Krampus, who's the brother of St. Nick, and punisher of children who play acts of unspeakable evil without repercussion. Can Jeremy prevent kids and kill Krampus?