Tang Han, a junior student of medical university, obtained the inheritance of the ancient Xuanmen medicine king door from the ancestral black ring. From then on he became a doctor. He beat ghosts and demons, won countless beauties' favor, and became the divine doctor King.

As an ordinary human being on the earth, Tang Long was brought to the Cultivation World by a lost immortal, and relying on his amazing talent, he made it to one of the five emperors in that world. However, struck by Thunder of Nine Heavens, he lost his life. It was lucky for him to rebirth in the human world as an intern who was named Qin Haodong. With his excellent medical skills, he became a divine doctor of traditional Chinese medicine and a father of a baby girl, whose mother was as pretty as a fairy. The little girl even asked him to find more lovers. What a cute girl...