At a high school senior prom, a masked killer stalks four teenagers who were responsible for the accidental death of a classmate six years prior.

Mary Lou, the prom queen burned to death by her boyfriend back in the fifties, has escaped from hell and is once again walking the hallways of Hamilton High School, looking for blood.

Thirty years after slashing a Hamilton High couple on Prom Night 1957, psychotic priest Father Jonas gets loose from the chapel basement where the other church fathers had been secretly keeping him locked up and drugged.

When Hamilton High’s Prom Queen of 1957, Mary Lou Maloney is killed by her jilted boyfriend, she comes back for revenge thirty years later.