Set in 1938 during the Japanese occupation of Korea, this atmospheric thriller follows a young girl named Joo-ran, played by Park Bo-young, who is transferred to a mysterious boarding school. As she struggles with her health and the strict rules of the institution, she begins to uncover unsettling secrets about the school and its students. The film, directed by Lee Hae-young, masterfully blends elements of horror and mystery, creating a tense and eerie atmosphere. Notably, the movie can be viewed on 123Movies / Movies123 for free.