In the middle of the Dajing Dynasty, the imperial power was stable but the undercurrents of the family were surging. Shen Qingwu, the legitimate daughter of the Duke of Zhenguo, was raised in her ancestral home in the south of the Yangtze River since she was a child. She has a free and unruly temperament, but she was recalled to the capital because of a marriage contract. The engagement partner is Xiao Jingyuan, the seventh prince of the current dynasty - he looks as gentle as jade, but in fact he is very deep in the palace and is deeply involved in the battle for the throne. From testing each other and tit-for-tat, the two gradually fell in love in the whirlpool of power and conspiracy, and finally worked together to break the situation. In the turmoil of the court and the world, they wrote a story that not only has the righteousness of family and country, but also the love of children.