On March 26, 1991, five boys set off to the mountain to go frog hunting and never come back to their family. While a documentary producer, detective and professor try to solve the mystery of the incident, one of the boys' parents is a suspect.
as Kang Ji-seung
as Hwang Woo-hyuk
as Jung-ho's Father
as Jung-ho's Mother
as Park Kyung-sik
as Kim Joo-hwan
as Won-kil's Father
as Won-kil's Mother
as Yong-duk's Father
as Yong-duk's Mother
as Dong-pil's Father
as Dong-pil's Mother
as Chul-woo's Father
as Professor Cha
as Jin-yeong
as Remains Finding Reporter
as PD Kim
