JangGeum finds out the only way for a government slave to return to the palace and goes to JangDug to learn medicine. JangDug teaches the medicine skills to JangGeum, who strives to learn more. King JoongJong finds YeonSaeng crying for her dear friend JangGeum and sympathizes with her. At last, YeonSaeng sleeps with the King and become one of many king’s women. JangDug and JangGeum search for the doctor who sold ginseng to a patient with a high body temperature…