Popcorn: Special Edition (1991) [Blu-ray]

A group of film students screen a bizarre short called THE POSSESSOR, whose creator, Lanyard Gates, killed his family and set the theater on fire after its first showing. Maggie (Jill Schoelen, THE STEPFATHER) has been having frightening dreams that seem to be connected to THE POSSESSOR. The nightmare comes true for her and her friends as they are stalked and slain by a mysterious killer.