At the end of the Civil War, Union Officer, Capt. Carpenter is ordered to escort Cpl. Warren to stand trial for enacting rituals of witchcraft on the bodies of the dead. While walking to nearby Fort Marion, Warren tells a story of a mythical wolf demon that was summoned to torment him. Before long the two men are lost in the woods and are haunted during the night by the unearthly howls of The Wolf.