The plot centres on forty-something Marie, who lives in the Hautes-Alpes department of France, cut off from her close family. All she has is her lover

A reclusive programmer, his sister and her new boyfriend are held hostage by a rapidly evolving computer virus.

一位女医生带着6岁的女儿乘坐夜间航班，飞机在空中不但遇上了可怕的风暴，更有其他乘客不明原因的死亡，随着恐怖事件的不断发生，她越来越感觉到与自己童年时可怕的噩梦有关。