1831年，北美洲某个偏僻的山谷村落，这里流传着一个古老的习俗。每到夏末节（10月31日）当天，村中要将所有不洁净的东西烧掉，其中便包括一个尚在襁褓中的婴儿。婴儿的母亲悲痛欲绝，眼睁睁看着宝贝被投入火中，于是愤而对村民做出诅咒，“每逢夏末节，村中的孩子便会被杀死。”接着这个恶毒的诅咒，邪恶的妖精从火中诞生。
约180年后的今天，中年男子尼尔·珀金斯（Gil Bellows 饰）载着妻子凯特（Camille Sullivan 饰）、女儿尼基（Tracy Spiridakos 饰）、女儿的朋友以及嗷嗷待哺的儿子南森前往万圣谷绿林路一处住所度假。刚一进村他们便受到一个醉汉的警告，然而却没人将其放在心上。次日，万圣节来到，沉睡于此的妖精重返人间……

萨姆是西北一座小镇的一名大学生，他很不情愿的卷入了室友们的一场竞争，看谁能在这学期末泡到校园里最漂亮的MM。这时他和朋友得知小镇里来了一名美女，而慢慢地小镇里的男人都开始失了踪...

A scientist working on an energy project discovers his family have undergone strange changes in their personalities, while a series of natural disasters are happening across the globe. He realises that his work has accidentally pushed the planet forward in time seven seconds - and the loss of those few moments has had devastating effects on the world and the human race.

A high school girl and her bullying peers are terrorized by an escaped psychotic killer who is more than meets the eye. The Night Daddy Came Home! Tormented at high school, Emily Hanson’s only escape is drawing graphic sketches depicting a crazed masked killer on a bloody rampage. Except the deranged maniac is her father who snapped eight years ago and is now locked away in a mental institution where Emily’s bullying classmates taunt she should be too. On the anniversary of his massacre, the In Crowd throw a party while Emily babysits her mute little brother. Little does she know she’s in for a night of unrelenting terror and madness, forced to confront her demons once and for all.