Maomao, a clever young woman raised by her apothecary father, lives a quiet, peaceful life until one day, she’s suddenly sold as a lowly servant to the emperor’s palace. Despite her new status, Maomao isn’t the type to blend into the background. When the imperial heirs mysteriously fall ill, her extensive knowledge of medicine drives her to take action, using her expertise to find a cure.

Her sharp mind and keen instincts soon catch the attention of Jinshi, a handsome and mysterious palace official. Impressed by her abilities, he promotes Maomao, bringing her closer to the inner workings of the imperial court. As she navigates palace intrigue, Maomao uses her skills to solve complex medical mysteries, all while making a name for herself in a world far removed from her humble beginnings.