Synopsis

Martin, a man once known for tracking game, now resides within the walls of a mental institution. He reaches out to Sam and Dean, pleading for their assistance with a disturbing case within the facility. The brothers accept, gaining admission as patients to investigate a strange and predatory presence preying on the other inhabitants. However, their confinement tests the limits of their endurance, forcing them to confront long-buried issues and ultimately turning their own darkness against one a