Prime Minister Yun is the high-ranking official and head of the Prime Minister's Residence. He is a central figure in the scandal involving his wife Su Meixian's adultery with Steward Du. Upon discovering the affair, he kills Steward Du with a sword and confines Su Meixian to Pengxian Pavilion. He is deeply concerned about his daughter Yun Ran's reputation and the political fallout. He suspects a conspiracy behind the commoners' knowledge of the scandal. He appears disappointed in his daughter and considers bringing back Yun Wei. He is a powerful minister navigating family disgrace and court politics.