4Gyoshi Churi Yeongyeok (2009)
4th Period Murder Mystery / Detectives in 40 Minutes / The Clue
Raiting: 
- /10
Genre: Mystery
Director: Sang-Yong Lee
Stars: Yoo Seung-ho, Kang So-ra and Sang-geun Jo
Country: South Korea
Release date: 12 August 2009
Length: 86 minutes
