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.
| Title | 4th Period Mystery |
|---|---|
| Year | 2009 |
| Genre | Crime, Mystery, Thriller, Action |
| Country | South Korea |
| Studio | Sway Entertainment, Lotte Entertainment |
| Cast | Yoo Seung-ho, Kang So-ra, Sang-geun Jo, Jeong Seok-yong, Jeon Jun-hong, Lee Yeong-jin |
| Crew | Sang-yong Lee (Director), Lee Sang-wook (Production Sound Mixer), Kim Byeong-gi (Special Effects Supervisor), Shin Jai-ho (Writer), Jeon Jin-won (Production Design), Kim Jin-chul (Production Design) |
| Keyword | |
| Release | Aug 12, 2009 |
| Runtime | 86 minutes |
| Quality | HD |
| IMDb | 6.10 / 10 by 20 users |
| Popularity | 4 |
| Budget | 0 |
| Revenue | 0 |
| Language | 한국어/조선말 |
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