Hae-young is arrested for the murder of Chi-soo. Soo-hyun hears Jae-han apologizing over the radio for not being able to prevent Sun-woo's death.
Series
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
2 seasons
Upcoming Schedule
Where to Watch
Region: JP
Region: KR