Lakan Maomao refuses to fully accompany Jinshi to his destination because she, as she is dressed fancily, refuses to blow his cover; and heads home instead for a few days off. Back home, she later awakens from a nightmare, which is actually a memory from her infancy. Her adoptive father, Luomen, sends her on an errand to the Rokushoukan, actually to tend to a woman at its annex. The woman is revealed to be Maomao's mother suffering from syphilis, and Luomen's medicines are their only treatment. It is revealed that the Rokushoukan faced shame in the past due to this situation. Luomen appeared out of nowhere at the time the disease was incubating, but got worse because the brothel hesitated to let him treat her...