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Boong Do sneaks back into the library after hours to read up on his own history. He finds out things don't go well for him back in Joseon and so does Hee Jin.
Yoo In-na
Choi Hee-Jin
Ji Hyun-woo
Kim Boong-do
Kim Jin-woo
Han Dong-min
Ga Deuk-Hi
Jo Soo-Gyung
Jo Dal-hwan
Chun-soo
Choi Woo-ri
Royal concubine Jang
Jin Ye-sol
Yoon-Wol
Kim Hae-in
Queen In-Hyun
Seo Woo-jin
King Sook-Jong
Kim Kyeol
Monk Young-Myoung
Kim Won-hae
Eunuch Hong