In this chapter, we learn that the killer must have been from Liaozhou, and that the crime was committed by an unmarried woman. The murderer's name is Si, and the crime is committed by a woman from the same household as Si. Si tells us that her life would be completely different if she had not been poisoned. She wants to travel the world with her son, and she wants to be a good mother. Si wonders why she doesn't have a father, and he tells her that she could call him father if she wanted. Si is afraid that his identity will be revealed if he keeps on investigating the case. He wants to know what he should do now that he has found out about the royal family.