Now a lady of company and tasteful in the service of Gyokuyo, one of the emperor's favorite concubines, Mao Mao begins a new life! As she has just arrived at the Jade pavilion, she quickly forges a reputation for excellent apothecary, to such an extent that the emperor himself summons her... Now she has to carry out a great mission: to find the cause of the evil that gnaws Lifa, the mother of the deceased little prince. Unfortunately, the task is even more difficult than expected! Indeed, to heal her patient, the young girl will first have to confront the women of the Cristal pavilion...