In the background of the original work, Fang Wu has a pattern of getting along with each other. The border raids of Liao and Jin Dynasties, civil strife in Lu and Su, major cases occurred one after another. Is there someone behind the scenes, or is the dynasty unable to recover? How are the cases at the border related to the nobles in the capital? The intervention of the martial arts family makes the relationship between Fang Wu and Wu, who were originally enemies but not friends, become more and more confusing. . . .