不久前刚刚得知自己怀孕的艾玛（布丽特·摩根 Brit Morgan 饰），怀着异样复杂的心情随同尚不知情的男友麦克（希斯·戴维·米切尔 Seth David Mitchell 饰）来到一处位于雪山冰原之间的小镇度假。无垠旷野，万籁俱寂，看似一切都是那么浪漫美好，但是他们驾驶雪地摩托时遭遇事故，二人相互搀扶，勉强回到帐篷。在完全没有信号的深山腹地，麦克他们不仅要对抗严苛冰冷的自然环境，还要承受莫大的精神压力尽快修好雪橇摩托逃离此地。
在此过程中，二人间爆发着争吵，而更大的危机正渐渐向他们逼近。直到某天，艾玛意外变成了这座山林中的孤身一人……

In this genre-defying grind-house throwback, a group of drug-addled, sexually deviant medical students are systematically terrorized by Wilma and John Hopper. The Hoppers, serial murderers and rapists, mysteriously return from the 1970s, and bring horrifying psychedelia with them. With comedy, subversion, satire and true gore, the students must face escalating attacks, shocking circumstances and visceral disgust.

A nomadic recluse living on the fringes of society reconsiders his bloodthirsty legacy when a teenage girl shows up claiming to be his daughter.