After Mao Mao's latest investigation, the imperial palace is about to undergo a major change: Aduo, the gentle concubine, is going to be replaced... but that's not all! Due to a misunderstanding, the apothecary is forced to leave the inner court, to Jinshi's great dismay.
In despair, the official goes to a banquet hosted by a wealthy aristocrat hoping to clear his head... and finds himself facing a Mao Mao who has become a courtesan! Without hesitation, he buys the young girl and takes her into his service...