Signal

There are those who are born monsters, but there are also those who are made into monsters by people.

Genres: Crime, Mystery, Sci-Fi & Fantasy, Drama

Counries: South Korea

Companies: AStory, Studio Dragon, BA Entertainment, Baram Pictures

Seasons: 2 (17 episodes)


Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.