Kentaro Sakaguchi
Kento Saegusa
2018 · TV series · 1 season · Crime · Drama · Mystery
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.
Signal is not available to stream, rent or buy in the UK right now.
Free account needed. We email you once when it lands on a streaming service in the UK.
Premium highlights your services here and shows where they carry this title in other countries.