During a camping trip from hell, a father battles a murderous cult and a bloodthirsty demon to save his kidnapped son.

To mend their troubled relationship, a middle-aged door-to-door salesman, Leon, takes his teenage son on a camping trip into deep rural Appalachia. Little do they know of the mountainous region's sinister secrets. A local cult has summoned an evil demon born of hate and pain, known to them as The Hangman, and now the bodies have begun to pile up. Leon wakes up in the morning to discover that his son is missing. To find him, Leon must face the murderous cult and the bloodthirsty monster that is The Hangman.