For her lover, she reincarnated to complete a mission. In this life, she was born in an emperor's family. Because she had the memories of her previous life, she could be famous all over the world even as a princess. However, the Tian family was ruthless. Her younger brother, who she had single-handedly supported, forced her to leave and marry the vassal king for power. That man was as gentle as jade, like the best son, but when they got along with her, she knew that he had ambitions in the world. In the end, due to various reasons, she still accompanied him in the rebellion, and finally ascended the Phoenix throne as a former princess, but his relationship with her also became a stranger. She retreated step by step because of her lover in her previous life, and he became crazy because of her retreat. In the end, there was only hurt between the two...