Worried that Li Shi Zhen’s medical skills will be lost in Ji Shi’s generation, Ming Yi tells him of Li Shi Zhen’s achievements in successfully treating Ya San, a mute girl who works as a dish taster for the Emperor. In one incident, Ya San unintentionally overhears the conversation between the Emperor and the Crown Prince talking about Zheng He discovering treasures on his expeditions in Malacca, leading both Li Shi Zhen and herself into a dire situation…