Secret Door Season 1, Episode 20: Episode 20

Episode 1

A document, thought long destroyed, tying King Yeongjo's ascension the throne to the Noron Faction, resurfaces. Crown Prince Sado distrupts the government by proclaiming the creation and distribution of books by commoners legal.

58 min

Episode 2

Heung Bok's body is found and the conspiracy to cover-up his murder begins.

59 min

Episode 3

Unsatisfied with the result of the investigation into Heung Bok's death, Crown Prince Sado re-opens the case, personally heading it himself.

59 min

Episode 4

Prince Sado succumbs to all evidence painting Heung Bok as a traitor, that is until Ji Dam approaches him with proof to the contrary.

59 min

Episode 5

With Ji Dam's help, Prince Sado delves deeper into the conspiracy behind Heung Bok's death.

58 min

Episode 6

Ji Dam hides out in a brothel while Prince Sado discovers the meaning behind Jung Woon's dying message.

59 min

Episode 7

Prince Sado seeks out the identity of the man Heung Bok's final royal painting.

58 min

Episode 8

An investigation into yet another death leads Prince Sado to suspect one of the people he trusts most.

59 min

Episode 9

Prince Sado is accused of murder.

58 min

Episode 10

Teacher Park Moon Soo makes a deal to try and save Prince Sado from prison.

59 min

Episode 11

Prince Sado becomes suspicious of his father's role in the document.

58 min

Episode 12

King Yeongjo appoints a new Prime Minister and sets out to enact new tax reforms while Prince Sado struggles with what to do about his father.

59 min

Episode 13

King Yeongjo unleashes his punishment on the booklenders.

61 min

Episode 14

King Yeongjo strips Prince Sado of all governing power. Three years later, Prince Sado begins a secret plan beginning with taking Kim Taek as his new teacher.

59 min

Episode 15

In order to get his governing powers back, Prince Sado begins difficult negotiations with the Qing.

61 min

Episode 16

Kim Taek sets a plan in motion to oust and replace Prince Sado.

62 min

Episode 17

Prince Sado returns to the regency and sets out to make the country a better place for all classes.

61 min

Episode 18

King Yeongjo and Prince Sado clash over allowing commoners entrance to the civil service exam.

61 min

Episode 19

Prince Sado faces the fallout of allowing commoners take the civil service exam.

60 min

Episode 21

On the eve of the new Queen announcement ceremony, the Prince discovers a plot to assassinate the King.

62 min

Episode 22

The Noron set out to discover why the Prince has been sending funds to the North.

62 min

Episode 23

62 min

Episode 24

61 min