After breaking a "curse" on the imperial heirs, a palace servant with training in herbal medicine is promoted up the ranks to food taster...and right into the thick of palace intrigue in this lushly illustrated period mystery series! 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?!

After putting on a successful and sensual(?) show of food tasting at the garden banquet, Maomao is the talk of the palace! But she soon discovers that notoriety isn’t the only thing the party has granted her! Her collection of hairpins from the event brings the young herbalist a brief window of freedom beyond the palace walls, as she returns to the pleasure district for the first time in ten months! But while reunions with her father and her friends await, so too does another mystery… After explaining to Jinshi the circumstances behind the poisoned cup at the garden party, Maomao returns home to the pleasure district for the first time in ten months, thanks to the ornate hairpin she received at the party. But there, she gets swept up in yet another mystery?!