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
Original title : 고사: 피의 중간고사
One will die for every incorrect answer.
Director : Chang
Starring : Lee Beom-soo, Yoon Jung-hee, Nam Gyu-ri, Kim Bum, Son Yeo-eun … See more
In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.
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Lee Eol
Security guard
Kim So-hee
Ji-won's mother

Yang Ji-won
Min Hye-yeong
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