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.
Park Yong-woo
Kang Ji-seung
Ryu Seung-ryong
Hwang Woo-hyuk
Sung Ji-ru
Jung-ho's Father
Kim Yeo-jin
Jung-ho's Mother
Sung Dong-il
Park Kyung-sik
Park Byung-eun
Kim Joo-hwan
Kim Koo-taek
Won-kil's Father
Park Mi-hyeon
Won-kil's Mother
