In her past life, Yu Qinghe, the legitimate daughter of the Yu family, loved the seventh prince, Xiao Xuanchen. Later, she was married off by the Emperor to assist him. After marriage, Yu Qinghe wholeheartedly supported and helped Xiao Xuanchen ascend to the throne. However, she was eventually killed by Xiao Xuanchen. In her reincarnation, she returned to seek revenge for the grievances of her previous life but was obstructed by the Marquis Wuyang. With the Marquis Wuyang's help, she eventually completed her revenge and deeply fell in love with the Marquis Wuyang.