浪漫之夜，才华横溢的美丽少女贾斯汀（克斯汀·邓斯特 Kirsten Dunst 饰）和心爱的麦克（亚历山大·斯卡斯加德 Alexander Skarsgård 饰）步入婚礼殿堂，姐姐克莱尔（夏洛特·甘斯布 Charlotte Gainsbourg 饰）和家人们为了她一掷千金，尽心操持。然而莫名的恐慌与悲伤袭上心头，令贾斯汀整晚郁郁寡欢，她的婚姻刚刚开始就已到了破败的边缘，与亲友同事的关系也变得分外紧张。克莱尔试图将妹妹带出忧郁症的困扰，然而收效甚微。与此同时，一颗神秘的小行星正向地球飞速逼近，似乎正是它带来了贾斯汀的忧郁，又似乎那原本郁结心中的烦恼只不过被它释放了而已……...
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....
Antoine has just returned to his hometown, where he reunites with his former lover and the mother of their little girl, Elsa, whom he has never met. An unexpected turn of events leaves Antoine suddenly alone to take care of Elsa....
