The double-born childhood sweetheart went to the princess in both directions (wise and clever) and the gentle and powerful official (cruel and ruthless to criticize the male protagonist) Bai Qingyin, the most favored and most honored princess of Xiliang in Dongyuan Kingdom. The fief Xiliang, Xiliang's 500,000 troops returned All of them, but due to the fall into the water due to the cold spring, the chronic disease was left behind and could not be cured for a long time. The prince schemed, the country was in turmoil, and Bai Qingyin, who was running out of time, soaked the poison in her wedding clothes, and placed herself in the game of chess with her sick body, strangling rebels and punishing traitors... But she didn't expect that Sheng Jingmo, who grew up with her childhood sweetheart, would go with her, and she didn't expect that her uncle and queen mother would become ill because of her passing away. Opening her eyes again, the thirteen-year-old fell into the water in the cold spring That day, she struggled desperately in the cold pool. After being reborn, Bai Qingyin took the initiative to study medicine, to protect herself and hold an umbrella for others. She inherited her mother's will to protect Dongyuan Kingdom, killed traitors, and punished traitors.