美しすぎる宦官・壬氏（じんし）に見いだされ、やむなく後宮で“薬の腕”をふるうことになった猫猫。そんな彼女が「帝」直々の命を受けて、依頼される事とは…!?さらに、上級妃の一人である玉葉妃の侍女として初の園遊会を迎える事となり――

Maomao, a young woman trained in the art of herbal medicine, is forced to work as a lowly servant in the inner palace. Though she yearns for life outside its perfumed halls, she isn't long for a life of drudgery! Using her wits to break a "curse" afflicting the imperial heirs, Maomao attracts the attentions of the handsome eunuch Jinshi and is promoted to attendant food taster. But Jinshi has other plans for the erstwhile apothecary, and soon Maomao is back to brewing potions and...solving mysteries?!