Wudang swordsman Zhang Cuishan and the notorious swordswoman Yin Susu are drifted into the scramble of the dragon saber. They are trapped on the uninhabited island of ice and fire. They get married on the island and birth a child who is named Zhang Wuji. They later return to central China and forced to kill themselves because of past events, which lefts the young Wuji wanders around the country. Wuji remains being sincere and gentle while being surrounded by a cruel world. Finally, he grasps the mightiest Kongfu and leads Mingjiao to prosper.