A few years ago, an alien invasion almost wiped out refugee humans from the Moon's secret base. The three heroes decided to join Time Travel and desperately try to save the survivors, but they didn't know that the sentinels were waiting for them.【哨兵】影视类别哨兵公映范围(哨兵)预告片(哨兵)上映情况《哨兵》核心演员阵容哨兵:高清下载哨兵:评分高不高?【哨兵】故事大意