A sickly girl Ju-ran transfers to a new sanatorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She ... Read allA sickly girl Ju-ran transfers to a new sanatorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She tries to discover what secret is hidden.A sickly girl Ju-ran transfers to a new sanatorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She tries to discover what secret is hidden.