: A college student named Hee-jin returns home after her younger sister goes missing following a horrific car accident.

: Upon returning, Hee-jin finds that her mother has become a fanatic religious zealot who refuses to call the police, claiming only prayer will bring the girl back.

Unlike standard jump-scare fests, offers a deeply psychological and atmospheric experience.

: It expertly tackles the themes of blind religious faith and traditional shamanism.

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Korean Horror Unlocked: Why the 2009 Thriller 'Possessed' is a Must-Watch

: Director Lee Yong-ju masterfully utilizes the claustrophobic setting of a rundown apartment building to amplify the tension.

: The film relies heavily on a creeping sense of unease rather than cheap, predictable shock tactics.