The story takes place in an imaginary dynasty, but generally it will refer to the system of the Tang and Song Dynasties.
The heroine is the daughter of a powerful minister and was raised as a concubine since childhood. The new emperor ascends the throne and the heroine is proposed as the new queen. Before entering the palace, a sudden change occurred in his family and his family was destroyed several times. Something went wrong. In order to find out the truth, she begged the emperor to appoint her as the female historian. She insisted on writing straightly and used her own power to solve the case and pursue the murderer in the former harem. She also restored the truth to history and gradually approached the truth about the family incident.