The Eldest Princess Li Yanchu sets out to forge a loyal enforcer for her younger brother. She spares Han Shu from the execution ground and takes him under her wing to turn him into a ruthless court agent. When her sickness becomes terminal, she orchestrates her own death to secure Han Shu’s undying loyalty to Emperor Li Jie. Three years later, Li Yanchu is reborn in the body of Xie Yugui. She stumbles upon a terrifying secret: her fatal illness in her past life stemmed from chronic poisoning. While digging into the conspiracy, she crosses paths with Han Shu once more—who's now utterly unrecognizable.
