Long Xiaotian, a former special forces ace, becomes a mercenary after being betrayed by his brother-in-arms. To save his amnesiac sister, Liu Mingyue, he returns to action and takes on the international criminal organization “Hellfire.” Working with Su Qing, a mysterious female assassin, the two go from testing each other to risking their lives side by side. Together, they uncover a shocking conspiracy behind the “zombie virus” and “alien technology,” ultimately becoming the “Interstellar Special Forces Ace” sworn to protect Earth.
