Xu Xiao is the King of China’s Northern Liang in an era of great upheaval. Steppe kingdoms have materialized with deadly intent, as rebellious uprisings threatened to destabilize the Southern realm. Against all odds, Xu Xiao managed to defeat them all. During this period, his unconventional, free-spirited heir, Xu Feng Nian, has been on the road, honing his equestrian skills and bolstering his fighting prowess. On his journey, he encounters the double sword-wielding martial artist Nan Gong Pu She, who’s soon to become his confidante.