Deeply troubled, Evelyn catches her young daughter worshipping Satan in the basement of their remote Arkansas mountaintop motel. She loses her mind, and butchers the girl with a knife. Trying to pass the death off as an accident, Evelyn keeps the motel open. That night, believing she was instructed to do so by the ghost of her daughter, Evelyn creeps through the motel’s tunnels and trap doors, attempting to murder every last motel guest who might suspect her of murder. She manages to gruesomely kill off most everyone without attracting any attention, but when a few survivors finally realize what’s going on, they band together in a plot to finish off this madwoman!