Signal
TV Series
3K
Signal it's a TV series with Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jeong Hae-gyoon Full cast. Original title 시그널 Genres Crime, Mystery, Sci-Fi & Fantasy.
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plot
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.