With the State Tribunal aiding in the investigation, Chief Suh orders Dong Yi and the other girl investigators to perform undercover in the Qing compound to observe Kim Yoon-dal and to obtain out who are his accomplices in the Palace. Through Jang Hee-jae, Lord Oh would make a deal with the smuggler Kim Yoon-dal he betrays the girl investigators, who promptly get kicked out of the Qing compound. Lady Jang gives beginning to a son.