Uncle Mao and Aunt Mao are well-known surgeons and physicians within hundreds of miles. They are kind, honest and amiable, and their medical ethics and skills are quite praised by the people. Early one morning, the old couple split up and went out for a medical trip. Aunt Mao drank some wedding wine at someone's house after delivering the baby, and started her way home drunk. While lying drunk in the mountains, he encountered a beautiful tiger. The tiger had no intention of harming it, but was very docile. It turned out that it was hoped that Aunt Mao would help it deliver the baby to the tigress at home.