Season 1

E1. Episode 1

Oct 5, 2011 · 70m

E2. Episode 2

Oct 6, 2011 · 65m

E3. Episode 3

Oct 12, 2011 · 64m

E4. Episode 4

Oct 13, 2011 · 67m

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.

E5. Episode 5

Oct 19, 2011 · 65m

Assigned to investigate the recent murders, Chae Yun comes face to face with an assassin with superior skills to match his own.

E6. Episode 6

Oct 20, 2011 · 61m

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.

E7. Episode 7

Oct 26, 2011 · 66m

Shim Jong Su gathers up allies for Hidden Root and plots the assassination for one more scholar.

E8. Episode 8

Oct 27, 2011 · 66m

Chae Yun discovers the identity of the assassin as Sejong battles his inner demons, and second guesses his mission.

E9. Episode 9

Nov 2, 2011 · 66m

Hidden motives are revealed as different officials spring to action at the news of Hidden Root's resurrection. Sejong's mission is revealed.

E10. Episode 10

Nov 3, 2011 · 63m

Chae Yun becomes suspicious of a supposed death threat against another scholar. Hidden Root leader Jung Gi Joon's whereabouts are finally revealed.

E11. Episode 11

Nov 9, 2011 · 64m

King Sejong forms a closer bond with an enemy, and opts for a scientific dissection in the hopes of helping So Yi speak again.

E12. Episode 12

Nov 10, 2011 · 65m

The destinies of So Yi and Chae Yun collide as both slowly discover each other's former's identities.

E13. Episode 13

Nov 16, 2011 · 66m

The king bids So Yi and Chae Yun the freedom to start over their lies together, but both of them can't forget their paths.

E14. Episode 14

Nov 17, 2011 · 65m

The bureaucrats put greater pressure on the king to reveal his work on the alphabet, but it leads to violent results.

E15. Episode 15

Nov 23, 2011 · 66m

In the process of saving So Yi, Chae Yun kidnaps the Prince and finds out about King Sejong's secret work.

E16. Episode 16

Nov 24, 2011 · 66m

With news leaking of the new alphabet, Sejong wages an intellectual war with the scholars and bureaucrats. Chae Yun becomes a double agent.

E17. Episode 17

Nov 30, 2011 · 62m

The furor over an alphabet that will lead to educated peasants leads to a young scholar's suicide.

E18. Episode 18

Dec 1, 2011 · 64m

Chae Yun's mentor makes an appearance, and is immediately recruited by both Hidden Root and Sejong for his help.

E19. Episode 19

Dec 7, 2011 · 66m

Now that Sejong discovers Ga Ri On's true identity, the stakes are raised when a prince's life is on the line.

E20. Episode 20

Dec 8, 2011 · 65m

The death of Gwang Pyung puts Sejong over the brink of sanity, and the bureaucrats fear that he will become a tyrant like his father was.

E21. Episode 21

Dec 14, 2011 · 63m

Sent out to the countryside to distribute the letters, So Yi and the other court maidens don't realize the danger lurking at their heels.

E22. Episode 22

Dec 15, 2011 · 61m

Hidden Root falls apart as traitors abound. Chae Yun goes on a desperate search to save So Yi.

E23. Episode 23

Dec 21, 2011 · 63m

Desperate to know what the Solution is, Jung Gi Joon is willing to give up his position as a leader of Hidden Root in order to bring Sejong down.

E24. Episode 24

Dec 22, 2011 · 75m

The final showdown begins as Jung Gi Joon readies for his assassination attempt against Sejong. So Yi struggles to pass down her knowledge of the Solution.