Secret Door

2014·1 season·5.5Drama History Mystery

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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Episodes

Season 1 — 24 episodes

Episode 1

58m

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

59m

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

Episode 3

59m

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

59m

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

58m

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

Episode 6

59m

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

Episode 7

58m

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

Episode 8

59m

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

Episode 9

58m

Prince Sado is accused of murder.

E10

Episode 10

59m

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

E11

Episode 11

58m

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

E12

Episode 12

59m

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.

E13

Episode 13

61m

King Yeongjo unleashes his punishment on the booklenders.

E14

Episode 14

59m

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.