A violent sadist has been appointed a deputy sheriff by his uncle, the alcoholic and corrupt county sheriff, who runs a drug-smuggling and bootlegging operation on the side. When the sheriff's nephew decides to steal the land of some local "half-breeds", a young deputy in the department decides it's time to stand up to him.

Well-intentioned, eternally bumbling Ernest P. Worrell accidentally releases an evil demon from its sacred tomb. As the demon flexes its power and goes on a ruinous rampage, good-guy Ernest tries to step in to save the town from mass destruction. Trouble is, a 200-year-old curse has scared Ernest stupid, and that means hilarity all around! So, kick back and let the laugh-ridden adventures begin.