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.更多《哨兵》在线高清观看免费、哨兵免费完整版在线观看、哨兵在线播放免费相关科幻资源，请持续关注河南剧光影视!