在这部舞会惊魂4：血咒恐怖片中,1957年在一所高中的毕业舞会上，强纳生神父被恶魔侵入，凶残务必，无辜的学生成为待宰羔羊，桀络神父将他关于密室三十三年，而三十三年后那邪恶的力量正渐渐醒来
Carrying on the Prom Night tradition, this film begins back at Hamilton High School on Prom Night in 1957. As a young couple are enjoying a romantic moment together in the back seat of a car, they are interrupted by Father Jonas, a priest who slashes and immolates the lovers. Thirty years later, Jonas gets loose from the chapel basement where the church fathers had been secretly keeping him locked up and drugged. As luck would have it, it's prom night again, and group of four students have unfortunately chosen Jonas's hideout as their secluded getaway spot.
