4th Period Mystery (4-kyo-si Choo-ri-yeong-yeok) (2009)

4th period murder mystery. 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.Worldwide Gross: $360,944Sang-yong LeeChi-yong Ahn, In-sook Choi, Jae-sang Han2009-08-12 (South Korea)tt1810510