The eldest disciple of the Demon Cult emerges from seclusion, unleashing a calamity upon the martial world. One is a frail scholar from a prestigious family who knows no martial arts; the other is a country boy who bears a grudge and joins the Demon Cult. Though they come from utterly different backgrounds, the two become companions by chance. After enduring countless hardships and extraordinary adventures, they finally come to trust each other completely and avenge their dead. Good and evil have been at odds since ancient times, yet a righteous man can turn demonic, and a demon can find the right path. With a zither and a sword, they roam the martial world and forge a legend of swordsmanship.
