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Synopsis
In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other. 
Original title 고사: 피의 중간고사
IMDb Rating 5.5 3,238 votes
TMDb Rating 6.19 166 votes
Director
Director
Cast
Hwang Chang-wook
Choi So-yeong
Kang Yi-na
Kang Hyeon
Yoon Myung-hyo
Security guard
Ji-won's mother
Lee Chi-yeong
Kim Ji-won
Min Hye-yeong
