When lesbian toker Marcy returns to her grandparents' home to help care for her mentally declining grandmother, she discovers they are being terrorized by a malevolent force from a Victorian postmortem photograph.
Set in 1987, a group of filmmakers venture into the California wilderness to film a shot on video slasher movie and soon find themselves systematically crippled, butchered and devoured by a family of feral cannibals.
