Everyone searches for the Crown Prince. He doesn't tell the police who he is because he is worried something bad will happen to him. Cheon Soo finally finds him and brings him back to the palace. He is very weak and ill. Jang Ok Jeong is furious and blames Prince Yeoning. Because of that, Southern and Disciples' faction want Dong Yi and her son to be exiled from the palace because they put Crown Prince's life in danger. When Crown Prince gets healthier, he tells his mother that he knows what his illness is and doesn't feel he is worthy of his position as Crown Prince. He then goes to meet the King and tells him the truth. 

Dong Yi is seriously injured by the attack. The assassin tries to get out of the palace but they get caught by the soldiers. Then, it is revealed that the attack was ordered by Jang Hee Jae. He and Lady Yoo get arrested and tortured but they refuse to say that Jang Ok Jeong was involved in it. But later she is also arrested. The King takes his time to decide what the suitable punishment for Jang Ok Jeong is. The King tries to get Jang Ok Jeong to commit suicide because she is the Crown Prince mother and it is a sensitive issue to sentence her to death but she refuses to do it. Without a choice, the King sentences her, her mother and brother to death.