Xuanyuan Fei, as the main protagonist of this work, was originally a girl due to the grievances of the previous generation, but she has to live in this world as a boy. Her identity is the young prince of the Daluo Empire. His lifelong wish is to find his mother, concubine and sister who disappeared during the coup and protect them. During the search, he had no choice but to marry the princess Ye, adopted the childeer who raped nursery rhymes, and adopted the concubine Xiang. He and the princess Ye had a son named Xuanyuan Feiyang, who was titled Crown Prince Feiyang. Later, in order to save her sister, the woman's body was exposed, and she received help from God at the moment when she was certain to die. In the end, she faked her death on the battlefield, and stayed incognito with her beloved Mr. Rumor.