1 Season
17 Episode
Signal
There are those who are born monsters, but there are also those who are made into monsters by people.
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
- Year : 2016
- Country : South Korea
- Genre : Crime, Mystery, Sci-Fi & Fantasy, Drama
- Studio : tvN
- Keyword : corruption, investigation, murder, tragic past, butterfly effect, dark, suspense, thriller
- Director : Kim Eun-hee, Kim Won-suk
- Cast : Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae
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