一名年轻女子期望完成过世母亲的临终遗愿,于是前往布拉格寻找一位神秘男士,并交付一封陈年旧信。。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...。