Six scientists arrive at the creepy Headstone Manor to investigate a strange phenomena which was the site of a mysterious massacre years earlier where 18 guests were killed in one night. It turns out that the house is the place of a satanic cult lead by a sinister monk who plans to kill the scientists who are inhabiting this house of Satan.

A singer holes up at a sinister estate to write new songs for his act. His ex-wife is brutally murdered, and the killer may be stalking him next.

On the run from the police and a female roller derby team, scam artist Michael Rangeloff steals a coffin and boards a train, pretending to be a soldier bringing home a dead war buddy. He gets more than he bargained for from the train and the coffin.