A Girl Found a Pérvеrt Under Her Bed Who Stalked Her Every Night

Kyung-Min is a typical woman who resides alone in a studio apartment. After work, she arrives home to discover her very guarded door lock cover is unlocked. This makes her little nervous, so she modifies her password. However, she hears someone trying to unlock her door right before she goes to sleep. Kyung-Min is startled by this and contacts the police. However, the police don't feel sorry for the terrified Kyung-Min; they only seem annoyed. A murder event happens a few days after she discovers further indications that someone was attempting to enter her house. She begins her own investigation after realizing she is not safe and that she cannot rely on the cops.Unknown fingerprints on the keypads, an open door lock case.