Door Lock poster

Door Lock

"In my house a stranger is waiting."

Movie NR 2018 1h 42m 7.4 /10
Directed by Lee Kwon

Kyung-min, who rents a small one room apartment, keeps to herself and tries to live quietly. One ordinary day she discovers signs that a stranger has slipped into her space, leaving behind unsettling clues and a sense that someone has been watching. What begins as a curious mystery about... Read more

Where to Watch "Door Lock"

Not Currently Streaming

This title isn't available for streaming in the US right now.

Netflix
Amazon Prime Video
Disney+
Max
Hulu
Paramount+
Peacock
Apple TV+

Streaming availability last verified: February 23, 2026

About Door Lock

Kyung-min, who rents a small one room apartment, keeps to herself and tries to live quietly. One ordinary day she discovers signs that a stranger has slipped into her space, leaving behind unsettling clues and a sense that someone has been watching. What begins as a curious mystery about misplaced belongings soon widens into a murder case that feels intimately connected to her own life. As investigators peel back the layers, the line between victim and suspect becomes blurred and the apartment turns into a maze where every sound might hide a motive. The film sustains tension through pacing and a restrained, observant mood rather than flashy twists, letting details accumulate until doubt becomes the drama's engine.

Directed by Lee Kwon, Door Lock stars Gong Hyo-jin and is based on a story by Park Jeong-hui. Released in 2018, this Korean thriller emphasizes atmosphere and character over grand spectacle, with a production design focusing on sound and performance.

Reception centers on its restrained mood and a close attention to psychological detail. The film holds a 7.44 out of 10 score from 159 votes, suggesting interest among genre fans. Themes of privacy invasion, memory, and the fragility of domestic space are explored without heavy handed exposition for many viewers.

There are no major awards listed for Door Lock. The film seems to have flown under the radar of mainstream ceremonies, drawing attention mainly from fans of tense domestic thrillers and viewers who respond to quiet atmospheric filmmaking. Its restrained approach may explain the lack of nominations.

It has not sparked broad cultural dialogue or well known quotes, and its most memorable moments remain within the experience of watching rather than becoming memes or parodied scenes. The film may appeal to listeners who enjoy intimate, unhurried suspense, rather than crowd pleasing finales these days.

Details

Release Date
December 05, 2018
Runtime
1h 42m
Rating
NR
User Ratings
166 votes
Type
Movie
Genres
Thriller, Crime, Mystery
Country
South Korea
Studio
Plus M Entertainment +1 more
Box Office
$11
External Links
View on IMDB

Official Trailer

Cast

Gong Hyo-jin

Gong Hyo-jin

Jo Kyeong-min

Kim Ye-won

Kim Ye-won

Oh Hyo-joo

Kim Seung-o

Kim Seung-o

Detective Lee

Jo Bok-rae

Jo Bok-rae

Kim Gi-jeong

Lee Ga-sub

Lee Ga-sub

Han Dong-hoon

Lee Chun-hee

Lee Chun-hee

Kim Sung-ho

Han Ji-eun

Han Ji-eun

Kang Seung-hye

Kim Jae-hwa

Kim Jae-hwa

Assistant Manager Park

Kim Kwang-kyu

Kim Kwang-kyu

Deputy Head of Department

Cha Yeob

Cha Yeob

Detective

Director: Lee Kwon

Written by: Park Jeong-hui

Frequently Asked Questions

Door Lock is not currently available to stream, rent, or buy online in the US. Check back later for updates.

With a rating of 7.4/10 from 166 viewers, Door Lock is well-received and recommended by the community. It's a good pick if you enjoy thriller, crime, and mystery stories.

Kyung-min, who rents a small one room apartment, keeps to herself and tries to live quietly. One ordinary day she discovers signs that a stranger has slipped into her space, leaving behind unsettling clues and a sense that someone has been watching. What begins as a curious mystery about misplace...

Gong Hyo-jin plays Jo Kyeong-min, a woman who lives alone in a one-room apartment. After she notices signs that a stranger has broken into her space, she becomes tangled in a mysterious murder case that starts to unravel around her.

Kim Seung-o plays Detective Lee in Door Lock. He portrays the detective involved in investigating the linked murder case at the heart of the story.