Zhu Tang transmigrates into a book as the younger sister of Zhu Yansheng. The siblings agree to join forces to stir up the imperial court and make waves in the world. Just as the palace begins selecting consorts, Zhu Tang volunteers to enter the palace to assist her brother from within, determined to make a name for herself. Yet every carefully plotted scheme they devise ends up benefiting the country and its people through a series of misunderstandings and twists of fate. They originally intend to cause chaos and manipulate the court, but Zhu Yansheng's outstanding achievements in governance bring peace to the realm, earning him a reputation as a virtuous minister for the ages. Meanwhile, Zhu Tang's benevolence, gentleness, and concern for the people win her the title of virtuous empress. After half a lifetime of scheming, the siblings finally realize that the one truly controlling everything, with unfathomable intentions, has always been the emperor seated high upon the dragon throne!