4th Period Mystery

Classroom. Midday bell. Blood. A student discovers a body, another student looms nearby, murder weapon in hand. She believes in his innocence, but the clock is ticking. Forty minutes to find the real killer. Lean Korean high-school thriller for the study-hall set.

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Our similarity graph picks 6 films based on shared director, keywords, mood-cluster overlap, and MovieLens user co-rating — niche-biased away from blockbusters. Full list: /like/4th-period-mystery-2009/.

Sang-yong Lee directed 4th Period Mystery in 2009. See Sang-yong Lee's full filmography, where to start with Sang-yong Lee, or where to go after you've seen everything by Sang-yong Lee.

4th Period Mystery was released in 2009 (KO original-language production), with a runtime of 86 minutes.