1 Season
24 Episode
Secret Door - Season 1 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.
- Country : South Korea
- Genre : Drama, History, Mystery
- Director :
- Cast : Lee Je-hoon, Kim You-jung, Yoon So-hee, Han Suk-kyu, Park Eun-bin, Kim Min-jong
