Two outwardly kindly farmers punish wandering sinners by feeding them to hideous demons they keep locked up in the barn. A mischievous hitchhiker is playing some malevolent road games. When a group of notorious criminals seek refuge in Pa and Nan's barn, they unleash a force of evil powerful enough to destroy a small town.

The film follows a gunslinger's quest to find his betrayer and enemy, The Man in Black. He discovers an abandoned town and it is there where he encounters a trap set by The Man in Black.