CinemaOSMovie · 2025 · 1h 14m

Secret Door

50%(1)Romance

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.

Directed byLee Dong-hyun

Play
Status
Released
Runtime
1h 14m
Language
KO
Released
December 4, 2025
Studios
JNC Media Group

Featuring

Cast & crew

4 credited
Starring

Oh Ji-yoon

Jang Tae-gyeom

Kim Dan-ah

Kim Dan-ah

Kim Se-hee

Seung Ha

Seung Ha

Creative team
Directed by
Lee Dong-hyun

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