一声响指，宇宙间半数生命灰飞烟灭。几近绝望的复仇者们在惊奇队长（布丽·拉尔森 Brie Larson 饰）的帮助下找到灭霸（乔什·布洛林 Josh Brolin 饰）归隐之处，却得知六颗无限宝石均被销毁，希望彻底破灭。如是过了五年，迷失在量子领域的蚁人（保罗·路德 Paul Rudd 饰）意外回到现实世界，他的出现为幸存的复仇者们点燃了希望。与美国队长（克里斯·埃文斯 Chris Evans 饰）冰释前嫌的托尼（小罗伯特·唐尼 Robert Downey Jr. 饰）找到了穿越时空的方法，星散各地的超级英雄再度集结，他们分别穿越不同的时代去搜集无限宝石。而在这一过程中，平行宇宙的灭霸察觉了他们的计划。
In a small rural community local police officers Zoe and Patrick begin their shift as normal but it soon becomes clear that something is wrong. Strange events unfold before their eyes, residents begin behaving strangely and mass suicide panic spreads amongst the community they are trying to protect. Zoe and Patrick realise they are under siege from alien machines as they become cut off from the outside world. They are forced to do battle against these uninvited visitors. With the help of some of the residents Zoe and Patrick begin unravelling the mystery and soon discover it is not all as it seems. Can Zoe and Patrick save their community and the outside world from extinction 在一个小的农村社区，当地警察佐伊和帕特里克开始正常换班，但很快就清楚出了问题。奇怪的事情展现在他们眼前，居民开始奇怪的行为，大规模的自杀恐慌在他们试图保护的社区中蔓延。佐伊和帕特里克意识到，当他们与外界隔绝时，他们正受到外来机器的围攻。他们被迫与这些不速之客作战。在一些居民的帮助下，佐伊和帕特里克开始解开这个谜团，很快发现它并不像看上去的那样。佐伊和帕特里克能拯救他们的社区和外部世界免于灭绝吗？
