The Queen is furious that Won Bo used her son, Prince Myeong Ahn. Hwan tries to meet Park Han Su to find out what happened in Byeokcheon, but Cho Won Bo makes a move first to stop him from talking. Meanwhile, Princess Ha Yeon makes a risky decision to help Prince Myeong Ahn get better, and the Manyeongdang group takes a huge step toward the truth.