Childhood friends Qin Xiaoyang and Tang Shi take diverging paths after a life-changing incident—one becomes an elite undercover agent, the other a vigilante for hire. When Qin infiltrates a deadly terrorist group, the two are forced into a tense confrontation, where past bonds clash with present loyalties in a battle between justice and revenge.
Childhood friends Qin Xiaoyang and Tang Shi take diverging paths after a life-changing incident—one becomes an elite undercover agent, the other a vigilante for hire. When Qin infiltrates a deadly terrorist group, the two are forced into a tense confrontation, where past bonds clash with present loyalties in a battle between justice and revenge.