S01E01 Episode 1
Fifteen years after witnessing the kidnapping of a girl at school, Kento hears someone calling his name through a discarded two-way radio.
Signal
A Call from the Past, the Call for the Future
S01E03: Episode 3
The two-way radio reconnects after the reinvestigation starts. Just as Kento had suspected, Ooyama had been part of the initial investigation in 1997.
Overview
Two detectives communicate through a walkie-talkie to solve a cold case. One detective exists in the present day, and the other detective exists 15 years in the past.
Episodes
S01E02 Episode 2
Kento determines that the true culprit is a nurse named Keiko Yoshimoto, but she refuses to crack under questioning from Misaki.
S01E03 Episode 3
The two-way radio reconnects after the reinvestigation starts. Just as Kento had suspected, Ooyama had been part of the initial investigation in 1997.
S01E04 Episode 4
1997. Ooyama learns from Kento that the next victim will be his friend Midori. In 2018, Kento holds his breath for a favorable outcome.
S01E05 Episode 5
Kento learns that Ooyama went missing 18 years ago and was later dishonorably discharged. In 1998, Ooyama works on a certain serial larceny case.
S01E06 Episode 6
S01E07 Episode 7
S01E08 Episode 8
S01E09 Episode 9
S01E10 Episode 10
Cast
Kentaro Sakaguchi
Kento Saegusa
Kazuki Kitamura
Takeshi Ooyama
Michiko Kichise
Misaki Sakurai
Yuichi Kimura
Tsutomu Yamada
Tetsuhiro Ikeda
Shinya Kojima
Kaede Aono
Rika Anzai
Fuju Kamio
Ryota Kato
Atsuro Watabe
Shinnosuke Nakamoto
Takemi Fujii
Masahiro Koumoto
Kazuo Iwata
