A male student's body is found at school. Authorities assume that the student killed himself in a fall. Other students at the school hold a trial to uncover the truth behind his death.
as Ko Seo-Yeon
as Han Ji-Hoon
as Bae Joon-Young
as Lee So-Woo
as Park Cho-Rong
as Han Kyung-Moon
as Lee Joo-Ri
as Choi Seung-hyeon
as Ko Sang-Joong
as Seo-Yeon's mother
as Teacher Kim
as Principal
as Detective Oh
as Lee Yoo-Jin
as homeroom teacher
as Lee Sung-Min
as Kim Soo Hee
