To unveil the truth about sulfur fed duck incident, they confiscate articles from the royal kitchens and Choi’s business to thoroughly investigate. In GeumYoung’s confiscated spice box, a poisonous mushroom is discovered and Court Lady Choi but GeumYoung strongly protests. On the other hand, JangGeum gets closer to finding out the answers to the doubts about King JoongJong’s diseases.