In the waning years of the Great Jing Dynasty, the court is corrupt, the Northern Di cavalry mass at the border, and the demonic cults of the Western Regions sow chaos. The martial sects either uphold justice, curry favor with the powerful, or conceal ulterior motives. National enmity and family vendettas engulf the jianghu. Ten pairs of men and women struggle to make their choices amid the turmoil, until they join forces to repel foreign invaders, purge traitors, and defend the Great Jing realm.