During the reign of Emperor Renzong of the Song Dynasty, there were rumors in the world that the Wanqi royal family of the previous dynasty had a family heirloom, the Heavenly Silkworm Treasure Clothes, which contained peerless martial arts. Once learned, they could rule the world. Jianghu man Nanhai Qidu learned of this, and led people to break into Wanqi Village at night to snatch the silkworm's treasured clothes. The patriarch Wanqi Zongming sent people to send his two sons out of the village at the risk of death, and the remaining 53 members of the family, old and young, were massacred. After the two brothers were rescued, they apprenticed themselves to their masters. Ten years later, they went into the world to seek revenge on their enemies. In order to avenge his family, his younger brother made friends all over the world and met the chivalrous girl Jiang Yujiao. After getting along many times, the two gradually developed feelings for each other. Little did they know that Jiang Yujiao was the daughter of an enemy. How could the grievances in the world be settled so easily...
