一对年轻夫妇搬进了他们的理想中的房子，但是幸福的二人世界很快被地下室里黑色的房间所打破。

When a party bus on its way to Burning Man filled with a bunch of sexy young adults breaks down in the desert and in the middle of a group of Satanic worshippers, all hell literally breaks loose. A massacre leaves seven survivors trapped on the bus, fighting for their lives while wondering if someone or someones are not what they seem.

老套的剧情，又是宇宙怪物降临地球然后虐杀人类，几个毛头小子成了怪物的猎物，然后一起逃亡一起反击，还有……一起ML……