Living in Dajingfang City, a city shrouded in strange rules and legends, Le Zhao, as the heir to a hidden miracle doctor, plays the role of an ordinary drugstore clerk who pretends to be ignorant of medical knowledge. He relies on copying the secrets of various ancient recipes recorded in ancient books to decipher a series of strange events based on medical rules. Under the surprised eyes of others, he gradually reveals the truth about the origin of the strange stories hidden behind the ancient books.
