The young Hua Fusheng is ignorant of the world, but he is obsessed with medicine. His unconventional medical practice makes the people in the city love and fear him. Hua Fusheng was mistaken for being a murderer because of the deaths of a hundred doctors, and the clues in the letter left by his master seemed to point to the mysterious "Book from Heaven". It just so happened that Wen Yu, the daughter of Liangzhou's City Lord, and Gu Tian, the successor of a hundred operas, were also involved, and the three of them went to Liangzhou to investigate together. Wen Yu borrowed the power of the City Lord's mansion to protect Hua Fusheng from opening a medical clinic in Liangzhou, and Gu Tian assisted in gathering information with his eloquent tongue. Hua Fusheng seeks the truth while practicing medical treatment for the poor in Liangzhou, but strange things happen frequently, and the puzzle becomes more and more complicated. Hua Fusheng didn't know that his arrival had quietly caused an undercurrent in Liangzhou City...