Yongsheng is an orphan who grew up in the Dream City, relying on the kindness of others. After his home was destroyed and those closest to him were devastated, he discovered the truth of the world. Guided by Mu Qing, he awakens a hidden power. To prevent further harm and protect those he cherishes, he joins the "Exterminators" and embarks on a path of resistance. Gradually, he begins to recover his lost memories, breaking through the darkness' rule time and again, ultimately leading humanity to freedom.