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.
Lee Je-hoon
Kim Hye-soo
Cho Jin-woong
Jang Hyun-sung
Jung Hae-kyun
Kim Won-hae
Jung Han-bi
Lee Yoo-jun
