Mu Xingchen, a young man from the Shenmu tribe who has been studying medicine for generations, rescued Ye Yunshang, the daughter of a medical family who had accidentally entered their territory. In order to escape the internal fighting of the royal family, he followed her to the turbulent times of the Republic of China, but encountered a rare plague. Mu Xingchen saved all living beings and his own tribe with the help of the Qingnang technique, experienced all kinds of temptations and tests of love, and eventually became a great doctor. In the end, he gave up the throne and traveled the world with his lover Ye Yunshang to save all living beings.