When Max Causey was six, he accidentally killed Santa. 12 years later, Max rectifies his mistake by resurrecting him, but soon realizes the creature he created is a bloodthirsty killer and it's headed right to his friend's Christmas party.
A group of celebrating friends make a pact with a demon to stay the night or someone loses their soul, only to find out the demons they are fighting might be the ones they carry inside.
An ideologically opposed couple attempt to survive a home invasion by a masked assailant on the single most dangerous night of the year...