In order to protect the peace of the territory and the life of his brother, Lu Qingchen, the princess of Yi'an County, reluctantly made a marriage. In the historical situation where the war was raging and the world was divided, loving and being loved seemed so extravagant. Through wisdom, strategy, and prestige, he unified the world and finally completed his historical mission. The wrong love a few years ago has hindered his life. Even if it is a wrong love, he cannot love again...