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》在线高清播放免费观看、哨兵完整版在线观看、哨兵完整免费视频相关科幻资源，请持续关注放杰视联科!