Fraternity Sword Organization
Unfortunately, they were being framed because of the murder conspiracy by Oh Tae Suk, the leader of the Southerners. Dong Yi found the man (Jang Ik-Hun) who was murdered and found a key evidence. She managed to deliver the key evidence of the murder to Suh Yong Gi. But Oh Tae Suk then put all the blame to the Sword Fraternity. Dong Yi tried to let Suh Yong Gi knew that her father was in fact framed and she found out that a Court Lady knew something about the signs she found out from Jang Ik-Hun and she decides to enter the palace as a slave in the Bureau of Music to find this Court Lady.