The young emperor Shu Yiqiu happened to meet Mei Xianchen, a young man who was sold to the prime minister's house, and saved his life with his friend Dao Ji. In order to repay his kindness, Mei sacrificed his life and hid in the Prime Minister's Mansion to spy on Shu to regain the king's power. After the incident was completed, in order to vent her hatred, Mei adopted the only daughter of the prime minister's house...