To secure Emperor Li Jie’s side, Princess Li Yanchu rescues Han Shu from the execution ground and turns him into a fearless court agent. Even in her final days, she goes so far as to stage her own death to bind his loyalty beyond doubt. But three years later, reborn as Xie Yugui, she learns the illness that ended her first life came from years of poisoning. As she follows the clues behind the conspiracy, Han Shu appears in her path once more—yet the man before her is almost unrecognizable.