Han Li, an ordinary boy, was born in poverty. In order to let his family live a better life, he voluntarily went to Qixuanmen to participate in the entrance examination, and was eventually accepted by Doctor Mo. Doctor Mo carefully trained Han Li and taught him medical skills at the beginning, which made Han Li very grateful to him. However, with the disappearance of Zhang Tie, a disciple who entered the sect together, Han Li discovered the true face of Doctor Mo. Doctor Mo tried to seize Han Li's body, but was eventually killed by Han Li. Through Doctor Mo's suicide note, Han Li learned about a whole new world: the existence of the world of immortal cultivation. After helping Qixuanmen resist foreign enemies, Han Li left Qixuanmen and went to Doctor Mo's home to find Nuanyang Baoyu to detoxify, and helped the Mo family defeat the enemy. Through the mouth of Doctor Mo's daughter Mo Caihuan, Han Li learned the address of Tainan Xiaohui. In order to pursue the footsteps of the immortal cultivators, Han Li decided to go to Tainan Xiaohui. After bidding farewell to his family...