Abandoned as an infant, Yongsheng has always been an outsider. When his peaceful existence is shattered, he's thrust into a world of shadows and secrets. Armed with newfound abilities and guided by a mysterious mentor, he joins a clandestine organization known as the Nie Slayers. As he uncovers the truth about his past and the forces that threaten humanity, Yongsheng must decide how far he is willing to go to protect those he loves.