⭐️ Actors:Lee Beom-su, Yoon Jung-hee, Nam Gyu-ri, Kim Bum, Son Yeo-eun
🌍 Country:South Korea
📅 Year:2008
🎬 Director:Chang
📝 Description:In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.