This was an era when Song, Liao, and Xixia coexisted, and there were many sects in the martial arts world. The story not only involves the struggle for hegemony in the martial arts world, but also involves espionage wars and disputes among the three kingdoms.
Why did the former leader of the martial arts alliance and the anti-Liao hero suddenly defect to the Liao Kingdom and kill fellow martial arts comrades from the Central Plains? What kind of unknown secret is hidden behind this?