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端正常换班，但很快就清楚出了问题。奇怪的事情展示在他们眼前，居民开端奇怪的行为，大规模的自杀恐慌在他们企图维护的社区中延伸。佐伊和帕特里克意识到，当他们与外界隔绝时，他们正遭到外来机器的攻击。他们被迫与这些不速之客作战。在一些居民的协助下，佐伊和帕特里克开端解开这个疑团，很快发现它并不像看上去的那样。佐伊和帕特里克能解救他们的社区和外部世界免于灭绝吗？