Yin Qiu is a household-born child of the Duke's Mansion, another personal maidservant of Jiang Ruohua. Her entire family works for the mansion; her father is a steward originally appointed by the Duke. She is trusted by Jiang Ruohua to investigate internal matters. She grinds ink for copying scriptures and shows sympathy for her mistress's situation, criticizing Zhao Yuexi and bemoaning the lack of respect from Prince Ying. She asked about Hua Chan's anxious behavior during the doctor incident. Jiang Ruohua relies on her to discreetly inquire about the management of the household and links to the Third Madam's control. Yin Qiu is observant and assists in her mistress's long-term plan to reclaim the family power.
