The pic is set in the aftermath of an apocalyptic event that forces people into extreme isolation. A father (Moyer) and son (Van Acker), who have been living off grid for 20 years, encounter an outsider (Silverstone) who threatens to destroy the utopia they’ve built.现在就不得不说说当前世界的情况，各个大国政府其实都已无力控制自己的土地，因为土地太过于广大，上面的人口太过于稀少，而危险又太过于居多，所以他们只能是占据某几个要点建立城堡式的国家政权，像美国、俄国、英国都是这种情况。