A sickly girl Ju-ran transfers to a new sanitorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She suspects the school for what's happening and tries to discover what secret is hidden.
| Genre | : Kengerian, Cerita Seru, Misteri |
| Sutradara | : 이해영 |
| Pemeran | : Park Bo-young, 엄지원, 박소담, Kong Ye-ji, 심희섭, 고원희 |
| Rilis Resmi | : 01 January 2015 |