Shen Zhaoni was forced to die and used a blood letter to reveal her identity as a former princess, which shocked both the government and the public. The third prince Xiao Huaizhao secretly protects each other, but is kidnapped by an old official in the court; the legitimate daughter Liu Ruyi secretly hides the jade seal, and her ambitions are aroused; Aunt Qin spends half her life silently opening the lock of memory for her. When the blood edict appeared, the old tribe rose up, and the new emperor was furious. She transformed from a slave to a chess player, but the real enemy was actually a blood relative she had never doubted.