Commander Qinglong is the loyal leader of the assassin group that serves the emperor. But when his allies plan a rebellion against the ruler, he finds himself in danger.
Earth has completely succumbed to an alien invasion, and the planet, which was once everyone's home, has become a hell. To stop the monsters from invading, the guard troops formed by different countries have disregarded their personal safety to defend what is left. Cheng Ling, who barely survived...
