Xiao Chengce, the powerful ninth prince of Prince Jing, rescued Shen Zhaohua, a descendant of the royal family who was living in the south of the Yangtze River ten years ago, and secretly raised him into the "Southern Jinghong". The heroine became famous all over the world with "Jiu Luan Ming", but she fell into a whirlpool of public opinion due to rumors of a "substitute". The hero slapped provocateurs in public, used black iron dragon pattern orders, and hugged her to sleep late at night to show her doting. As the heroine's life experience is revealed, the two work together to deal with the imperial city's intrigues. The heroine resolves the crisis with the ability of ancient dance to attract spirits, while the hero gradually takes control of the court to protect the heroine. Finally, the rumor of the substitute is exposed, the truth about the rescue ten years ago is revealed, and the sweet ending of "two people for life" is achieved.
