Village girl Zhao Zhi follows her brother who started an army into the capital. Because he bears a striking resemblance to the late emperor, her brother is recognized as the lost imperial heir, transforming overnight from a rebel leader into the crown prince, and she is also bestowed the title of Princess Jiarui. From their initial forced retention to rushing toward each other amid court turmoils, she and the scholar Zhuang Yuchuan talk back to arrogant scions and denounce peace-marriage proposals, living willfully and open-heartedly. In the end, her brother ascends the throne as emperor, and she marries Zhuang Yuchuan by imperial decree, giving birth to a beloved daughter and living a carefree and heart-following life.