Bang-won tries to choose the crown princess for political reasons, but Won-gyeong argues that it is right to prioritize qualifications. In the end, Won-gyeong makes the process of choosing the crown princess public, thereby breaking the king's will. Chae-ryeong finds out the whereabouts of Pan-su, who has been Won-gyeong's informant for a long time, and informs Bang-won. Bang-won decides to use this as a means to weaken Won-gyeong's power...