In this chapter, the narrator explains the story of the young doctor who saved the life of a patient. The young doctor, named Xiao Ming, was admitted to the medical school at the age of twelve, and she has since become known as a "genius" because of her smarts. The doctor is shocked to find that the patient is a young man in his mid-thirties, who has been suffering from a serious heart condition. He is white, and the doctor wonders if he is of mixed race.