在这部南瓜凶手喜剧/恐怖片中,主人公乔纳森看见妹妹正被一个戴着南瓜面具的人攻击，于是立刻上前刺死了对方，没想到这原本是一场误会，戴面具的竟是妹妹爱搞恶作剧的男友。为了忘记这段悲伤的往事，乔纳森一家人搬往一座新城打算重新开始生活，然而一位不请而来，装束十分眼熟的客人出现在万圣节派对上，随后不断有人离奇死亡。众人这才明白，不管你跑多远，你的过去总有一天会撵上你。
After mistaking him for a masked killer, Jonathan fatally stabbed his sister's boyfriend on Halloween. One year later to the day, the siblings find themselves fighting for their lives against a very familiar masked murderer.
