In a fictional dynasty torn by intense palace struggles, the Imperial Laundry Service is the lowest-ranking labor bureau in the palace, gathering disgraced nobles and palace maids and eunuchs who have been punished for their mistakes. The heroine, Yun Yao, was a concubine-born daughter of a marquis's household. After her legitimate elder sister framed her and her entire family was convicted, she was sent to the Imperial Laundry Service.
