Su Yuexin, Queen of the state of Daliang, is the most beautiful woman in the history of Daliang state. She has long been known for her reputation and deserves the title of Maodian. She enjoys a high reputation among the people and the court, and is known as the first sage in the history of Daliang state. However, no one in the whole country could have expected that she had a peculiar constitution and a strong sexual desire under the dignified and virtuous appearance. She had a long-term relationship with Li Qiang, the son of Princess huifei, and Li Qiang, with the help of the empress, firmly occupied the position of Prince. However, when she found out that her adult son, Li que, the fourth son of the emperor, could easily arouse her sexual desire, she resolutely threw herself into the arms of her own son. Li que was a man of deep mind and cruel means. He had a strong desire for possession of his own mother. He was determined to use all means to ascend the throne and to honor his mother as his wife.