The young Long Wu's family encountered a disaster and was taken away by his family member Huang Zhong. He hid his name in Yangjiashan for more than ten years. With the help of a medical book and the martial arts secrets hidden in the medical book, he learned a good skill. When he went down the mountain to avenge a bloody sea, he was easily attacked by his enemy. Defeated and desperate, he jumped into the tiankeng, thinking that he would definitely die. Unexpectedly, there was a world under the tiankeng. He met the young girl Ke'er. In the end, the dragon ascended to heaven and finally avenged the blood sea. After playing with Ke'er in the human world, he stepped into the tiankeng singing and went away.
