Forty-four-year-old anti-narcotics agent Li Xin died in the line of duty. She watched the drug lord K kill her biological daughter Shen En. She traveled through time and space into the body of Yi Xiu in the Legend of Zhen Huan. The old K who killed her traveled through time and became Yongzheng. And Shen En traveled through time and became Qianlong, who was still Prince Bao. Emperor Qianlong was the last glory of China's feudal era. He ruled China for a period of sixty years. How can Li Xin take over the burden of history and train his daughter to become an eternal emperor?