交换:年轻夫妇

影片以一年四季为时间轴，讲述一个冰岛家庭在父母分居期间的生活。女主人公安娜是位视觉艺术家，刚失去工作室的她开始在户外创作。她的丈夫马格努斯是名渔夫，常年在海上作业，却拒绝接受婚姻已走到尽头的事实，不断回到曾经的家中。

　　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？