In the eleventh year of Chengkang, Prince Jiang Xu of Dingbei, who had guarded the border for eight years, returned to the Daxian Dynasty to investigate the case of embezzlement of military pay for the Dingbei army. Unexpectedly, there were many connections behind the corruption case. In order to find out the real culprit as soon as possible and clear the court, Jiang Xu volunteered to marry Ming Tan, who was also a general's daughter, so that the Ming family would not be exploited.