Director: Lee Kyu-man
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
Lee Sang-hee
Yong-duk's Father
Seo Ju-hee
Yong-duk's Mother
Jo Deok-jae
Dong-pil's Father
Seo Young-hwa
Dong-pil's Mother
Nam Sang-baek
Chul-woo's Father
Lee Ui-soo
Chul-woo's Mother
Jeon Kuk-hwan
Professor Cha
Park Seo-yeon
Jin-yeong
Woo Young-taek
Remains Finding Reporter
Oh Dong-ju
PD Kim
Kim Jae-heum
Class Monitor
Chae Si-hyun
Fax Employee
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
Lee Sang-hee
Yong-duk's Father
Seo Ju-hee
Yong-duk's Mother
Jo Deok-jae
Dong-pil's Father
Seo Young-hwa
Dong-pil's Mother
Nam Sang-baek
Chul-woo's Father
Lee Ui-soo
Chul-woo's Mother
Jeon Kuk-hwan
Professor Cha
Park Seo-yeon
Jin-yeong
Woo Young-taek
Remains Finding Reporter
Oh Dong-ju
PD Kim
Kim Jae-heum
Class Monitor
Chae Si-hyun
Fax Employee
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
Lee Sang-hee
Yong-duk's Father
Seo Ju-hee
Yong-duk's Mother
Jo Deok-jae
Dong-pil's Father
Seo Young-hwa
Dong-pil's Mother
Nam Sang-baek
Chul-woo's Father
Lee Ui-soo
Chul-woo's Mother
Jeon Kuk-hwan
Professor Cha
Park Seo-yeon
Jin-yeong
Woo Young-taek
Remains Finding Reporter
Oh Dong-ju
PD Kim
Kim Jae-heum
Class Monitor
Chae Si-hyun
Fax Employee