哨兵是大导演Stefano 的一部优秀的科幻 类型影视作品,主演有迈克尔·帕尔 杰森·R·摩尔 Ellie Denitza Neil I 。影片的关键词是未知,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.