Yang Lin is transported into another world and becomes a top-ranked scholar who was framed by treacherous ministers and demoted to a remote post. On his way to take office as magistrate of Guangyuan County, he steps forward to rescue the Grand Princess from danger. Together with the loyal general Xu Nian, he holds Qixian County against the Jin army, punishes corrupt officials who collude with the enemy, cracks down on bandits, and shelters displaced civilians. After taking office, he reforms the administration, punishes the wicked, and clears the names of the wrongfully accused. With courage and wisdom, he establishes himself in a turbulent border region, protects the peace and safety of its people, and gradually fulfills his original ambition of saving the world and bringing peace to the people.