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Series · 2014–2014Ended

Secret Door

5.5·1 season·24 episodes·60 min avg.·South Korea

A re-imagining of the legendary tale of the troubled father-son relationship between King Yeongjo and his only son Prince Sado. While his father insists on a strong and centralized government, Crown Prince Sado promotes social justice and equality throughout the kingdom. Throughout eight fateful years, the strain on their relationship — both familial and political — eventually evolves into a total breakdown, ending with one of the most tragic stories in Joseon history.

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01
Episode 1Up next
Sep 22, 2014

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.

02
Episode 2
Sep 23, 2014

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

03
Episode 3
Sep 29, 2014

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

04
Episode 4
Sep 30, 2014

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

05
Episode 5
Oct 6, 2014

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

06
Episode 6
Oct 7, 2014

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

07
Episode 7
Oct 13, 2014

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

08
Episode 8
Oct 14, 2014

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

09
Episode 9
Oct 20, 2014

Prince Sado is accused of murder.

10
Episode 10
Oct 21, 2014

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

11
Episode 11
Oct 27, 2014

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

12
Episode 12
Oct 28, 2014

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.

13
Episode 13
Nov 3, 2014

King Yeongjo unleashes his punishment on the booklenders.

14
Episode 14
Nov 4, 2014

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.

15
Episode 15
Nov 10, 2014

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

16
Episode 16
Nov 11, 2014

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

17
Episode 17
Nov 17, 2014

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

18
Episode 18
Nov 18, 2014

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

19
Episode 19
Nov 24, 2014

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

20
Episode 20
Nov 25, 2014

The Noron set a new plan in motion to oust the Crown Prince.

21
Episode 21
Dec 1, 2014

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

22
Episode 22
Dec 2, 2014

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

23
Episode 23
Episode 23
Dec 8, 2014
24
Episode 24
Episode 24
Dec 9, 2014

Cast

20 credited
Lee Je-hoon
Crown Prince Sado
Kim You-jung
Seo Ji-dam
Yoon So-hee
Seo Ji-dam / Park Bingae
Han Suk-kyu
King Yeongjo
Park Eun-bin
Lady Hyegyeong
Kim Min-jong
Na Chul-joo
Lee Won-jong
Park Mun-su
Kwon Hae-hyo
Seo Kyoon
Jeon Kuk-hwan
Lee Jong-sung
Jang Hyun-sung
Hong Gye-hui

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