An old, grizzled mountain recluse readies himself for a storm and the end of his life, tormented by a dark force. As he prepares to hang himself, a young nun arrives with a mystical sister, followed by a stranded hiker. Fond of the nun and wary of the hiker, his night turns deadly when a final demonic guest appears. Reality collapses, plunging him into another dimension where he must face a dark entity and his own inner demons.