During the Halloween celebration of the Mountain Man Festival in a quaint West Virginia town, revelers in costumes are ready for a night filled with music and festivities. However, the party takes a sinister turn when a clan of inbred cannibals descends upon the scene, targeting a group of unsuspecting college students. Their gruesome antics disrupt the festivities, transforming the vibrant celebration into a terrifying fight for survival. As the night unfolds, the students must navigate the chaos and outsmart their ruthless pursuers to escape the horrors lurking among the autumnal festivities.