Signal — Season 1
A Call from the Past, the Call for the Future
About this season
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 (10)
1. Episode 1
9.0Aired 10 April 2018 • 54 min
Fifteen years after witnessing the kidnapping of a girl at school, Kento hears someone calling his name through a discarded two-way radio.
2. Episode 2
9.0Aired 17 April 2018 • 54 min
Kento determines that the true culprit is a nurse named Keiko Yoshimoto, but she refuses to crack under questioning from Misaki.
3. Episode 3
9.0Aired 24 April 2018 • 54 min
The two-way radio reconnects after the reinvestigation starts. Just as Kento had suspected, Ooyama had been part of the initial investigation in 1997.
4. Episode 4
9.0Aired 1 May 2018 • 54 min
1997. Ooyama learns from Kento that the next victim will be his friend Midori. In 2018, Kento holds his breath for a favorable outcome.
5. Episode 5
8.0Aired 8 May 2018 • 54 min
Kento learns that Ooyama went missing 18 years ago and was later dishonorably discharged. In 1998, Ooyama works on a certain serial larceny case.
6. Episode 6
8.0Aired 15 May 2018 • 54 min
7. Episode 7
8.0Aired 22 May 2018 • 54 min
8. Episode 8
Aired 29 May 2018 • 54 min
9. Episode 9
Aired 5 June 2018 • 54 min
10. Episode 10
Aired 12 June 2018 • 54 min