The King then announces that Dong Yi is to live outside of the palace. But, the reason for this is, he wants to abdicate and live with Dong Yi. Then, the Crown Prince can become King and Prince Yeoning will replace him as the Crown Prince. But, Jang Moo Yeol discovers the King's plan and he asks the Disciples' Faction leader to help him stop it. Furthermore, He is also desperate to get rid of Dong Yi and her son. So, when the King is away, he prepares a plan to frame Dong Yi. The first step of the plan is, he gets himself put it charge of the army. (Source: Viu)