The modern heroine accidentally traveled through time and became Shen Mingtang, the ninth princess of the ancient Yu Dynasty who died young. She awakened the "script-killing BOSS" system and learned that her relatives around her had hidden identities, and that her early death was the trigger for all stories. In order to rewrite her destiny, she relies on her "destiny rewriting" ability and "group favor halo" to use her coquettishness and wisdom to navigate the machinations and politics of the world. The prince, third prince, fifth prince and other royal brothers did not hesitate to use imperial power and political power to protect her, and she also deftly resolved the crisis in the palace. As the plot progresses, she uncovers the identity of the emperor's sister as the young master of the world, the Taifu's bloodline conspiracy from the previous dynasty, and discovers that the world is a virtual time and space created by Tianjisi. In the end, Shen Mingtang led everyone to break the established destiny, reconstruct the national destiny, usher in a peaceful and prosperous era, and become the Princess Furui respected by all people, rewriting history as the favorite of the group.