Desperate to reconnect with his wife and son after a violent attack leaves them fear-stricken and traumatized, a father moves his family to a sleepy New England town and finds himself in a fight against supernatural forces hell-bent on tearing them apart.
热闹的嘉年华来到平静沉闷的小镇，两对青年男女：艾米?哈勃（Elizabeth Berridge 饰）、巴兹?克莱蒙特（Cooper Huckabee 饰）、里奇?艾特伯雷（Miles Chapin 饰）和莉兹?杜肯（Largo Woodruff 饰）结伴前来玩耍。长夜将尽，年轻人兴致盎然，不愿离去。莉兹提议彻夜留在欢乐屋内，得到众人一致同意。 然而他们却在这里看见一个身材巨大、戴着科学怪人面具的恐怖杀手（Wayne Doba 饰）。随后他们更惹怒了欢乐屋的主人，一场针对这四个年轻人的杀戮旋即展开……
