Maomao lived a peaceful life with her apothecary father. Until one day, she's sold as a lowly servant to the emperor's palace. But she wasn't meant for a compliant life among royalty. So when imperial heirs fall ill, she decides to step in and find a cure! This catches the eye of Jinshi, a handsome palace official who promotes her. Now, she's making a name for herself solving medical mysteries!
Under direct orders from the emperor himself, Maomao tries to care for an ailing Concubine Lihua, but finds her work impeded by Lihua's own ladies-in-waiting.