

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.

Han Jung-hoon

Lee Da-jeong
Kim Tae-gyoo

Kang Gook-man
Embassy

Yun Sang-mi
Do-il
Hong Ju-hee

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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.

Movie / 1956

Movie / 2011

Movie / 2008

Movie / 2004

Movie / 1998

Movie / 2010

Movie / 2017

Movie / 1997

Movie / 2023

Movie / 2019

Movie / 2014

Movie / 2008

Movie / 2020

Movie / 2019

Movie / 2020

Movie / 2020

Movie / 1994

Movie / 2019

Movie / 2002

Movie / 2022