The talented Sun Yunlie, a direct disciple of the ancestor of the North Kunlun Mountain Sect, formed a golden elixir and went down the mountain to practice for three years. He was besieged and killed on his way back home. When his life was in danger, he broke the golden elixir himself and hid in the rubble. He was rescued by the orphan Cheng Sheng. Various entanglements began from then on.