Empress Yin is the female Empress who was deposed from her position. She had been forming cliques for years and was the mastermind behind the autumn hunt incident, which was used to frame Xue Wanwan. She and her family, the Duan family, were demoted to commoners and exiled to the frontier. She was forced to commit suicide. Her downfall marks a significant turning point in the story, clearing the way for the Emperor to acknowledge Song Yuejiao as his daughter and punish those who had wronged Xue Wanwan.