Royal Physician Choi kidnaps a youth believing him key to eliminating Myung Woon's misfortune. Myung Woon rescues and returns him safely, while the Queen Dowager demands the King renounce the Crown Prince, threatening his reign.
Gap Seok assists the Crown Prince's flight from the palace where Myung Yoon awaits healing his injury. Simultaneously Prince Dosung is tasked by the King to uncover the needle canister's proprietor as Physician Heo Jin Soo's body is found.
Prince Dosung learns his grandfather allied with Queen Dowager angering him. The Crown Prince covertly informs Dosung of the Queen Dowager's affair and her lover's identity. The Queen Dowager seeks the Queen's aid in dealing with the King.
