Maid's Room

The film follows Kwang-yeol, who finds himself in a mental hospital upon returning to Korea. He escapes and encounters a series of mysterious events that lead him on a train to Yeosu. On this journey, he meets detective Yu, who reveals a photograph of his twin brother, Bong-yeol, prompting Kwang-yeol to attend his brother's funeral.

After the funeral, Kwang-yeol enters Bong-yeol's house and meets Sul-hi, Bong-yeol's wife. The narrative unfolds as the mystery of the events surrounding Bong-yeol's death is gradually uncovered. The climax reveals Hye-young as the perpetrator of the evil deeds, who ultimately takes her own life, tying together the film's threads of horror and mystery.