Storyline
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.
Key Information
Cast & Crew
Oh Ji-yoon
Jang Tae-gyeom
Kim Dan-ah
Kim Se-hee
Seung Ha
Frequently Asked Questions
Secret Door was released on December 4, 2025.
The runtime of Secret Door is 1h 14m.
Secret Door is a Romance movie.
Secret Door has a rating of 5.0 out of 10 on TMDB.
Secret Door is available to watch. Check streaming platforms and theaters near you.
Secret Door was directed by Lee Dong-hyun.
The main cast of Secret Door includes Oh Ji-yoon, Jang Tae-gyeom, Kim Dan-ah.
Secret Door is originally in Korean.