This chapter opens with a private conversation between Doctor Xiao and his son, zhong. . The two men discuss the future of their relationship, and zhong tells his father that he wants to trade the genetic map he's been searching for for the hand in marriage of his brother, jiao, and his mother, xioxiao. He also tells his son that his father will never forget his wife, and that he will cherish his son for life. The doctor tells zhong that he'll be holding a feast for his son's engagement the next day