woman is a worthless woman," but Tan Yunxian -- born into an elite family, yet haunted by death, separations, and loneliness -- is being raised by her grandparents to be of use. Her grandmother is one of only a handful of female doctors in China, and she teaches Yunxian the pillars of Chinese medicine, the Four Examinations -- looking, listening, touching, and asking -- something a man can never do with a female patient.