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?!