1x31 - The King of Tears, Lee Bang Won

Bang Won discrowns Lee Je and installs Lee Do as the new Crown Prince. As Lee Je leaves the palace, Queen Wongyeong also decides to leave because she cannot bear to be with Bang Won anymore. Shortly after, Bang Won abdicates the throne to Lee Do. Although Bang Won believes Lee Do will become a good king, he still wishes to control Lee Do in some ways whereas Lee Do fights against his father's control.