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.
An unexpected discovery pushes a vengeful, battle-hardened soldier into tracking down a charismatic movie star — the man he suspects of having a secret, whirlwind romance with his wife.