A group of online social justice activists venture deep into the woods to uncover the truth behind a recent series of gruesome ritual murders – and to capture the person responsible. But what they come face to face with is something more deadly than any serial killer, an urban legend that is very real, and determined to make them his latest victims.

Arkham Sanitarium was vacant for years after a sex and death cult was arrested for committing heinous acts on patients. Today paranormal investigators are trapped and battling malevolent forces as they grapple with these creatures.