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 , Kim Min-gue , Kang Chan-hee
BA Entertainment
