Variety brings word that Ryan Reynolds is teaming up with ‘IT’ and ‘Wonder Woman’ producers Roy Lee and Jon Berg for ‘The Patient Who Nearly Drove Me Out Of Medicine,’ a supernatural horror based on the novella by Jasper DeWitt.

Originally published on Reddit No Sleep, a thread where budding writers can share their best scary stories, the novella is about an idealistic young doctor who tries to solve a mystery and heal its most difficult patient.

Reynolds will produce the horror through his Maximum Effort banner, with Lee and Berg through Vertigo Entertainment.