Synopsis
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. 
Original title 4교시 추리영역
IMDb Rating 5.9 489 votes
TMDb Rating 6.2 19 votes
Director
Director
Cast
Han Jung-hoon
Lee Da-jeong
Kim Tae-gyoo
Kang Gook-man
Embassy
Yun Sang-mi
Do-il
Hong Ju-hee
