In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.
In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.
Lee Beom-su , Yoon Jung-hee , Nam Gyu-ri
Heo Seong-ryong
SK Telecom , Mirovision
as Hwang Chang-wook
as Choi So-yeong