Years after an alien invasion almost extinguished human mankind, refugee on a secret base on the Moon, three heroes decide to jump into a time travel in the desperate attempt to save the survivors but they don't know that the Sentinel is waiting for them. PPYPP电影网|最新最好看的电影和电视剧|可以直接观看的电影网站_草民电影网为您提供哨兵在线观看，更多影视请访问www.ppyp8.com