Maomao, a 17-year-old girl, had been kidnapped and forced to become a low-level servant in the emperor's palace in ancient China's imperial court, several months had passed. However, she never lost her curiosity or practical mindset as she planned to serve until her period of servitude was up. Then, she discovered that the emperor's two babies were gravely sick one day. Using her experience as a pharmacist raised in the impoverished red-light district, she covertly decided to take action. Despite her attempt to stay unrecognized, Jinshi, a powerful eunuch, observed her talents and became intrigued. Over time, Maomao rose to prominence in the emperor's inner circle, solving challenging medical puzzles with her unique personality and expertise.