When King Sejong the Great embarks on a quest to devise a writing system for his subjects in 15th-century Korea, intrigue ensues.
EPISODE 1
Episode 1
Taejong, the father of King Sejong, wields his power and authority over his son to execute all his enemies, including Sejong's father-in-law.
EPISODE 2
Episode 2
Sejong's small act of defiance triggers a massacre, as well as an outrageous request from his father.
EPISODE 3
Episode 3
Sejong and his father engage in a battle of the wits as young Ddol Bok struggles to survive in the Slaves' Quarters.
EPISODE 4
Episode 4
Ddol Bok rises to become a palace officer and changes his name to Kang Chae Yun in an attempt to get close to the king.
EPISODE 5
Episode 5
Assigned to investigate the recent murders, Chae Yun comes face to face with an assassin with superior skills to match his own.
EPISODE 6
Episode 6
Sejong breaks down at the death of another scholar, and he is the only one who holds the key to the scholar's last message.
Han Seok-gyu
Jang Hyuk
Shin Se-Kyung
Yoon Je-moon
Ahn Seok-hwan
Cho Jin-Woong
Jo Hui-bong
Kim Ki-bang
Ki Bum Kim
Lee Jae-yong
Jang Tae-yoo