Title: Signal (TV Show, 2016)
Cast: Kim Hye-su, Lee Je-hoon, Cho Jin-woong, Jang Hyun-sung, Jeong Hae-gyoon, Kim Won-hae, Jung Han-bi, Lee Yu-jun, Son Hyeon-ju
Country: South Korea
Rating: TV-MA
Duration: 1 Season
Genres: Crime TV Shows, International TV Shows, Korean TV Shows
Communicating via a walkie-talkie that transcends time, a profiler from 2015 and a detective from 1989 join forces to tackle crimes and injustice.