Residents of a small backwoods community summon the murderous demon of vengeance himself for revenge against a local mortician who wronged their deceased love ones, while a town physician seeks to kill those involved in its summoning

Malachy returns to his father's medieval kingdom and becomes the new king. A magician/witch hunter tells him and his brother that the kingdom is under attack by witches, ruining the crops etc.

When the true love between two young lovers is threatened by their families violent feud, their only chance at peace leads them to summoning the monstrous pumpkin head, who brings even greater horrors.