1x16 - The Red Sleeve

Consort Hwa is infuriated with jealousy, and she tries to sabotage Duk Im with the help of Queen Dowager. Consort Hwa frames Duk Im for having relations with a man and makes Queen Dowager interrogate her. Therefore, all four of them, including San, gather at Consort Hwa’s chambers, and San makes his final decision.