Secret Door
비밀의 문
Synopsis
Ham Jae-kyeong, a successful adult web novel writer, suddenly finds herself in a slump. She rewrites her writing and characters keep overlapping. Se-hee, the CEO of a web novel company, is Jae-kyeong’s friend. Se-hee suggests to Jae-kyeong that she write a SM novel as a way to overcome her slump. At first, she refuses, but after being persuaded by her assistant writer, Gi-dong, she meets Seong-soo, who enjoys SM play. Jae-kyeong is drawn to the handsome and well-mannered Seong-soo. Is he researching for her novel or is he in a relationship? Growing increasingly captivated by Seong-soo’s charm, she begins to embrace SM play.
Top Cast
Explore Star Directory →
Key Information & Fast Facts
- Director
- Lee Dong-hyun
- Original Title
- 비밀의 문
- Country of Origin
- South Korea
- Spoken Languages
- Korean
- Runtime
- 1h 14m
- Production Studios
- JNC Media Group
Creative Leadership & Key Crew
Lee Dong-hyun
Department Leadership Roster
Lee Dong-hyun
Director
Production Stills & Gallery
Official cinematic photography and background stills for Secret Door.
Similar Titles to Secret Door
Movies sharing stylistic DNA, tone, and thematic storytelling
5.5
10.0
2.0
4.0
5.5
2.5
5.0
5.5
5.7
5.3
5.0
7.1
3.7
3.5
4.0
4.0
10.0
More Like Secret Door
Recommended titles matching themes, cast, and genres.
Frequently Asked Questions About Secret Door
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Secret Door about?
Ham Jae-kyeong, a successful adult web novel writer, suddenly finds herself in a slump. She rewrites her writing and characters keep overlapping. Se-hee, the CEO of a web novel company, is Jae-kyeong’s friend. Se-hee suggests to Jae-kyeong that she write a SM novel as a way to overcome her slump. At first, she refuses, but after being persuaded by her assistant writer, Gi-dong, she meets Seong-soo, who enjoys SM play. Jae-kyeong is drawn to the handsome and well-mannered Seong-soo. Is he researching for her novel or is he in a relationship? Growing increasingly captivated by Seong-soo’s charm, she begins to embrace SM play.
Who directed Secret Door?
Secret Door was directed by Lee Dong-hyun.
Who stars in Secret Door?
The principal cast of Secret Door includes Oh Ji-yoon, Jang Tae-gyeom, Kim Dan-ah, Seung Ha.
When was Secret Door released and how long is it?
Secret Door was released in 2025 with a total runtime of 1h 14m.