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Secret Door
Season 1
Not Rated
Add Show to Watchlist
Set during the king Yeong-jo's reign in Joseon dynasty, the drama follows the king's uneasy relationship with his son, Sa-do.
More
Where to Watch Season 1
Kocowa
Subscription
OnDemandKorea
Subscription
Rakuten Viki
Subscription
24 Episodes
Episode 1
E1
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.
Episode 2
E2
Episode 2
Heung Bok's body is found and the conspiracy to cover-up his murder begins.
Episode 3
E3
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.
Episode 4
E4
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.
Episode 5
E5
Episode 5
With Ji Dam's help, Prince Sado delves deeper into the conspiracy behind Heung Bok's death.
Episode 6
E6
Episode 6
Ji Dam hides out in a brothel while Prince Sado discovers the meaning behind Jung Woon's dying message.
Episode 7
E7
Episode 7
Prince Sado seeks out the identity of the man Heung Bok's final royal painting.
Episode 8
E8
Episode 8
An investigation into yet another death leads Prince Sado to suspect one of the people he trusts most.
Episode 9
E9
Episode 9
Prince Sado is accused of murder.
Episode 10
E10
Episode 10
Teacher Park Moon Soo makes a deal to try and save Prince Sado from prison.
Episode 11
E11
Episode 11
Prince Sado becomes suspicious of his father's role in the document.
Episode 12
E12
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.
Episode 13
E13
Episode 13
King Yeongjo unleashes his punishment on the booklenders.
Episode 14
E14
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.
Episode 15
E15
Episode 15
In order to get his governing powers back, Prince Sado begins difficult negotiations with the Qing.
Episode 16
E16
Episode 16
Kim Taek sets a plan in motion to oust and replace Prince Sado.
Episode 17
E17
Episode 17
Prince Sado returns to the regency and sets out to make the country a better place for all classes.
Episode 18
E18
Episode 18
King Yeongjo and Prince Sado clash over allowing commoners entrance to the civil service exam.
Episode 19
E19
Episode 19
Prince Sado faces the fallout of allowing commoners take the civil service exam.
Episode 20
E20
Episode 20
The Noron set a new plan in motion to oust the Crown Prince.
Episode 21
E21
Episode 21
On the eve of the new Queen announcement ceremony, the Prince discovers a plot to assassinate the King.
Episode 22
E22
Episode 22
The Noron set out to discover why the Prince has been sending funds to the North.
Episode 23
E23
Episode 23
Episode 24
E24
Episode 24
Cast of Season 1
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
Uhm Hyo-seop
Min Baek-sang
Kim Ha-kyoon
Kim Sang-ro
Choi Won-young
Chae Je-gong
Seo Jun-yeong
Shin Heung-bok
Ha Seung-lee
Queen Jeongsun
Park Hyo-ju
Woon-shim
Kim Tae-hun
Kang Pil-jae
Jeong Gyu-su
Yang Soon-Man
Kwak Hee-Sung
Kim Moo
Jo Woo-jin
Lee Dal-seong
Kim Woo-seok
Lee Seon [Young] / Lee San [Young]
Lee Won-jae
Kang Seo-won
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