The doctor's son xiaoli comes to the rescue of his father, who is suffering from nausea. He gives the doctor a pill to help him sleep. The doctor is impressed by the boy's ability to help his father. The boy explains that he is an assistant to the doctor and that he does not get scared when he sees the body. He explains that the body must have been found near a lake because the maggots cannot tell the time of death. The child wonders where the murder took place and wonders how his father grew up.