4th Period Mystery (2009)

During fourth period, high schooler Da-jeong finds her classmate Tae-gyu dead in a classroom and Jeong-hun standing in front of him with blood on his clothes. In order to stop Jeong-hun from becoming the prime suspect, Da-jeong must help him find the real murderer, who is still inside the school building, under 40 minutes before period four ends.

Released Aug. 12, 2009 86 min 15+

Genres: Action, Crime, Drama, Mystery, Thriller

Keywords: imdb.classmate, imdb.dead-boy, imdb.mystery-man, imdb.odd-dream, imdb.threatened-with-a-knife, imdb.mobile-phone, imdb.ticking-clock + 64 more, imdb.swimsuit, imdb.female-nudity, imdb.reference-to-robespierre, imdb.stolen-laptop, imdb.mystery-killer, imdb.screaming, imdb.handbag, imdb.p-e-class, imdb.high-school, imdb.drink, imdb.poison, imdb.schoolgirl, imdb.texting, imdb.psychopath, imdb.hallucination, imdb.haunting, imdb.karaoke-bar, imdb.knife, imdb.volleyball, imdb.apple, imdb.teacher, imdb.revenge-motive, imdb.vengeance, imdb.love, imdb.espionage, imdb.spying, imdb.violence, imdb.intrigue, imdb.chase, imdb.death, imdb.swimming, imdb.friendship, imdb.whodunit, imdb.library, imdb.mysterious-man, imdb.murderer, imdb.assassin, imdb.runaway, imdb.stalking, imdb.laptop-computer, imdb.classroom, imdb.faking-one-s-own-death, imdb.slapped-in-the-face, imdb.kiss, imdb.dead-teenager, imdb.revenge, imdb.suspense, imdb.blood, imdb.soccer, imdb.lavatory, imdb.anger, imdb.flashback, imdb.schoolboy, imdb.murder-mystery, imdb.male-female-relationship, imdb.mystery-villain, imdb.serial-killer, imdb.murder-of-student, imdb.high-school-student, imdb.dark-secret, imdb.race-against-time, imdb.teenage-boy, imdb.murder, aspectratio.16-9-hd