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.
Homepage
Year2016
Number of episodes17
Number of seasons2
Episode run time
Status:Returning Series
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GenresCrimeMysterySci-Fi & FantasyDrama
Production countriesSouth Korea
