2021年美国出品，英语原声，科幻片题材。这部科幻片够味，看得过瘾。故事框架新颖，节奏起伏有致，扣人心弦。看完只想说一句：值了。In the shadows of a highly contagious virus, a normal family seeks shelter in the safety of their own home during a nationwide LOCKDOWN in which MARTIAL LAW is declared. With nowhere to go and danger approaching from outside. The family is forced to confront the evil that terrorizes them from within before it consumes them all。片子节奏紧凑，一气呵成，是难得的大银幕佳作。电影制作水准在线，画面与配乐相得益彰。情绪铺陈层层推进，高潮处张力十足。
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