Secret Door
2025, Korean. Directed by Lee Dong-hyun.
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.
- Runtime
- 1h 14m
- Post-credits
- None listed
- Language
- Korean
- Rated
- Check local
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Where to watch Secret Door
Secret Door isn’t streaming on any OTT platform in India yet; it released on 4 December 2025.
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Details
- Released
- 4 December 2025
- Original title
- 비밀의 문
- Country
- South Korea
Check ratings elsewhere
News & fan talk
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Secret Door: quick answers
Is Secret Door worth watching?
Secret Door doesn’t have enough ratings for a verdict yet.
How long is Secret Door?
Secret Door runs 74 minutes (1h 14m).
Does Secret Door have a post-credits scene?
None is listed for Secret Door. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Secret Door parents guide: is it suitable for kids?
No age rating is listed for Secret Door yet.
Which OTT platform is Secret Door on?
Secret Door isn’t streaming on any OTT platform in India yet; it released on 4 December 2025. (Checked 11 November 2026.)
What movies are like Secret Door?
If you liked Secret Door, try X, Gabriel's Rapture: Part I, Attraction.
Who directed Secret Door?
Secret Door (2025) was directed by Lee Dong-hyun and stars Oh Ji-yoon, Jang Tae-gyeom, Kim Dan-ah.