
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
Unknown Role
Unknown Role

Unknown Role

Crazy

Student in grade 2 class 5

Virtual Criminal
