Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.
A lonely office worker lives in constant fear due to a series of unsettling incidents involving her apartment's smart door lock. What begins as a series of minor disturbances escalates into a terrifying ordeal as she realizes she may be targeted by a dangerous intruder. The situation forces her to confront her deepest fears and fight for her survival against an unseen threat.
Door Lock was generally well-received for its tense atmosphere and effective scares, leveraging common anxieties about urban isolation and home security. While some critics found the plot predictable, the film was praised for its solid performances, particularly from lead Gong Hyo-jin, and its ability to build suspense effectively within its confined setting.
Google audience: Audiences appreciated the film's ability to generate a sense of dread and suspense, making them feel uneasy about their own home security. The lead actress's portrayal of vulnerability and growing fear was frequently highlighted as a strong point.
The film is a remake of the 2015 Spanish thriller 'Smart Home' (original title: 'Secuestro Express').
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