During the Qianlong period of the Qing Dynasty, the military minister Liu Tongxun was imprisoned for dereliction of duty in handling military affairs, and his son Liu Yong was implicated. A few years later, Emperor Qianlong released him in recognition of his merits, and Liu Yong was demoted to local academic administration. A few years later, the prefect of Taiyuan, Shanxi became vacant, and the ministers recommended Liu Yong as the prefect of Taiyuan. After the emperor agreed, Liu Yong began to move toward officialdom. Liu Yong was an honest official all his life, selfless and upright, and he solved cases like the white-faced blue sky that the gods and folk called "Hai Rui was reborn, Bao Gong was still alive". Alternative detective stories adapted from folk tales and opera legends, including: The Legend of Liu Yong, Strange Cases in the Qing Palace, Liu Yong's Conquest of the West Palace... And other series of folk stories.