Overworked office worker Li Luo unexpectedly transmigrates into a novel and becomes Princess Zhaohua, the eldest princess of the Great Li Dynasty. In the original story, she is the biological elder sister of the young emperor, Li Jing. Because she is blinded by love, she is manipulated by the young duke, Si Yan, ultimately leading to the tragic deaths of both siblings and the destruction of the Great Li Dynasty. After binding herself to a system, Li Luo gains the ability to restart after death. However, she underestimates her enemies and dies right at the beginning. Retaining her memories, she begins a new round, carefully planning every move, resolving crises, and forming a life-and-death alliance with the fated young general Li Yu. Together, they fight side by side and gradually fall for each other.