因家庭的缘故，高中女生艾玛（索菲亚·布莱克-德埃利亚 Sofia Black-D'Elia 饰）随教授生物的父亲（迈克尔·凯利 Michael Kelly 饰）搬到了加州的影子峡谷居住。在此期间，一种可怕的蠕虫在全世界蔓延，许多国家受到摧残，而美国各州危机也相继呈现。某天课上，艾玛的好朋友突然发病暴走，学校被迫关闭。在此之后，疫情迅速蔓延。父亲前往机场迎接被困的母亲，艾玛则和姐姐史黛西（安娜丽·提普顿 Analeigh Tipton 饰）留守家中。没过多久，美国总统宣布对加州进行戒严，凡居住在疫区的百姓不准随便出入，而被感染者则时刻威胁着幸存者的生命。收起
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[2]Array to string conversion[/var/www/html/thinkphp/library/think/Cache.php:60]
[2]Array to string conversion[/var/www/html/thinkphp/library/think/Cache.php:60]
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[2]Array to string conversion[/var/www/html/thinkphp/library/think/cache/driver/Redis.php:51]
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