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.
Orignal Language
ko
Seasons
2
Genre
Crime, Mystery, Sci-Fi & Fantasy, Drama
Status
Returning Series
Release Data
2016-01-22
Production Companies
AStory
Streaming Network
tvN
Park Hae-young
Cha Soo-hyun
Lee Jae-han
Kim Bum-joo
Ahn Chi-soo
Kim Gye-chul
Oh Yoon-seo
Jung Heon-gi
Hwang Ui-kyung
Jang Young-chul
Executive Producer
Music
Producer
Vocals
Writer
Tunnel
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