In Zhangjiajie in 397 A.D., the Demon Sect headed by Black Heart Tiger set fire to the mountain and poisoned the living beings. They wanted to catch the Kyrin and drink its blood to enhance their internal strength and dominate the martial arts world. Hongmao's father and other seven people joined forces with seven swords, and finally defeated the black heart tiger, but the seven swords were either injured or disabled. Fifty years later, Black Heart Tiger led the Demon Cult to make a comeback. And the only thing that can stop the Black Heart Tiger is to unite the Seven Swords again, but at this time the Seven Swords have been scattered and lived in seclusion, and their whereabouts are unknown. After a bloody battle, Hongmao's father died heroically because he was outnumbered. The young hero Hongmao obeyed his father's will, shouldered the heavy responsibility, and went down the mountain with anger to find other descendants of the Six Swords...