Su Yuexin, the queen of Daliang Kingdom, is a peerless youth and beautiful woman in the world. She is known as Maodian. She enjoys a high reputation among the people and the court. She is known as the number one wise man in the history of Daliang Kingdom. However, no one in the country could have expected that she has a unique physique and a strong sexual desire under her dignified and virtuous appearance. She and Concubine Hui's son, and Crown Prince Li Qiang maintained a long-term incompetent relationship. Li Qiang also relied on the position of the crown prince with the help of the queen. However, when she discovered that her adult son and the fourth son of the emperor could easily arouse her thorough lust, she resolutely threw herself into the arms of her biological son. She was scheming and vicious, and had a strong possessive desire for her biological mother. She was determined to use all means to ascend the throne and conquer her biological mother as a wife.