Zhang Cuishan and Yin Susu, who were inadvertently involved in the Dragon Slaying Sword, were forced to live on a deserted island in the northern ocean with Xie Xie, the Lion King of the Golden Hair, where they gave birth to a child, named Wuji, and recognized Xie Xie as their righteous father. Zhang Wuji lived a carefree life away from the world for a few years.
