Communicating via a walkie-talkie that transcends time, a profiler from 2015 and a detective from 1989 join forces to tackle crimes and injustice. They hold the key to solve cold cases, maybe even prevent them from ever happening -- but not without consequences.
GenresKorean TV Shows | International TV Shows | International TV Dramas | International TV Thrillers & Mysteries | Asian TV Shows | International TV Sci-Fi & Fantasy
ActorsLee Je-hoon | Kim Hye-su | Cho Jin-woong | Jang Hyun-sung | Kim Won-hae | Jung Hae-kyun
DirectorsKim Eun-hee | Kim Won-suk