4th Period Mystery
| 4th Period Mystery | |
|---|---|
Theatrical poster | |
| Hangul | 4교시 추리영역 |
| RR | 4gyosi churiyeongyeok |
| MR | 4kyosi ch'uriyŏngyŏk |
| Directed by | Lee Sang-yong |
| Written by | Shin Jai-ho |
| Produced by | Seo Myung-jin |
| Starring | |
| Cinematography | Moon Ho-jin |
| Edited by | Kyung Min-ho |
| Music by | Yozoh |
Production company | Sway Entertainment |
| Distributed by | Lotte Entertainment |
Release date |
|
Running time | 86 minutes |
| Country | South Korea |
| Language | Korean |
| Box office | US$360,944 |
4th Period Mystery (Korean: 4교시 추리영역), released internationally as The Clue, is a 2009 South Korean thriller film starring Yoo Seung-ho and Kang So-ra.
It was released on August 12, 2009, and drew a total of 67,602 admissions.