Overview
In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.
Cast
- Lee Beom-soo as Hwang Chang-wook
- Yoon Jung-hee as Choi So-yeong
- Nam Gyu-ri as Kang Yi-na
- Kim Bum as Kang Hyeon
- Son Yeo-eun as Yoon Myung-hyo
- Lee Eol as Security guard
- Kim So-hee as Ji-won's mother
- Kong Jeong-hwan as Lee Chi-yeong
- Ham Eun-jung as Kim Ji-won
- Yang Ji-won as Min Hye-yeong