影片改编自亚伦·斯塔姆同名小说，布莱恩·达菲尔德([拿起枪的简]编剧)自编自导。故事讲述女孩玛拉的同学无任何征兆性地突然发生人体爆炸身亡，玛拉的生活陷入了一片混乱。
遇播放卡顿或无法播放时，可切换线路播放
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