Backrooms

An extended 16-minute version of Backrooms!

Clark (Chiwetel Ejiofor), who runs a furniture store, discovers a hidden door in his shop's basement. He quickly becomes obsessed with uncovering its secret and confides in his psychologist, Dr. Mary Kline (Renate Reinsve). When Mary follows him through the door, she finds something dark and menacing lurking behind the walls.