"The Hangman" follows Leon, a middle-aged door-to-door salesman, who takes his teenage son on a camping trip in the rural Appalachia to mend their troubled relationship. Unbeknownst to them, the region harbors sinister secrets. They soon find themselves facing a murderous cult that has summoned a malevolent demon known as The Hangman. As his son goes missing, Leon must confront the cult and the demon to save him, leading to a horrifying and suspenseful adventure.