Secret Door follows the conflict between King Yeong Jo and Crown Prince Sa Do in the longest reign in Joseon history, 52 years. King Yeong Jo pursues strong royal authority, while Crown Prince Sa Do insists on equality for all.
Director: Kim Hyung Shik, Shin Kyung Soo
Screenwriter: Yoon Sun Joo
Aired on: Sep 22, 2014
Total Episodes: 24
Duration: 60 min.
Country: South Korea
Native Title: 비밀의 문
Content Rating: 15+ – Teens 15 or older
Alternative Titles: Bimilui Moon, Bimilui Mun, Bimirui Mun, Secret Door: Uigwe Murder Case, Bimilui Moon – Uigwe Salinsageon
Genre: Drama, Historical, Political