The heroine lurks in the identity of the eldest lady of the Tang Dynasty. The heroine initially supported the prince, but in the end, the prince married the daughter of the left prime minister as his concubine for the throne, and abandoned the heroine. The heroine left sadly. The prince still wants to take the heroine as his concubine, and takes under his command the two great generals, both civil and military. The prince pesters the heroine endlessly, and the heroine never tires of it. She meets King Xuan when they go out to relax. The two get closer, but the heroine is prejudiced against the royal children and cannot truly trust King Xuan.
The prince discovered that King Xuan had a happy relationship with the heroine, and became jealous. He secretly assassinated her many times. The hero kept the secret from the heroine and protected her until he was injured once and was discovered by the heroine.
The heroine began to let go of her guard and sincerely accepted King Xuan, who was extremely disgusted with the prince. The relationship between the heroine and King Xuan became stronger. King Xuan revealed to his biological mother, Concubine Pei, that he wanted to marry Tang Xuan. Concubine Pei was not happy and hoped that King Xuan would marry his niece Pei Lu. The emperor learned about this and decided to grant a marriage to Tang Tian when he was born. Just three months before their wedding, Tang Tao was convicted of treason by imperial edict. The whole family of the men was executed, and the women were demoted to a lowly status. On the day Tang Tao was asked to be executed, Yu Zhirong committed suicide and the heroine ended up in a brothel. The male protagonist redeems the female protagonist and dotes on her. The female protagonist unexpectedly has a miscarriage and can no longer have children. The female protagonist fakes a pregnancy to blame Fu Wan, but unexpectedly she is actually pregnant and has another miscarriage. The male protagonist is disappointed with the female protagonist and thinks that the female protagonist is ruthless. The two had a cold war. The old emperor is seriously ill, and the prince supervises the country and dominates the country. The male protagonist avoids his sharp edge. The old emperor is disappointed with the prince, but he never deposes the prince. The old emperor dies, and the male protagonist takes the throne after a fight. The two go through a lot and finally stay together.