Barbie's younger sister Chelsea is trying to celebrate her 7th birthday but her birthday is skipped due to the international date line.

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。