Liu Changsheng (played by Qi Yuchen), the princess of Fuyu State, wears the label of "Kefu". When she reaches the marriageable age, the princess also worries about marrying. The emperor intended to send him to Dantang to marry Li Jing (Wu Junting), the jade-faced Raksha King of Qin, who killed people on the battlefield. With the mission of "Kev to save the country", Changsheng and Li Jing embarked on a ironic romance. In getting along, the two abandoned prejudices, were not afraid of rumors, bravely pursued love, and found the true meaning of love.
