Communicating via a walkie-talkie that transcends time, a criminal profiler from 2015 and a detective from 1989 join forces to tackle crimes and injustice.
СЕРИЯ 1
Episode 1
Profiler Park Hae-youn hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.
СЕРИЯ 2
Episode 2
The statute of limitations is lifted after the suspect's arrest. Hae-young joins Soo-hyun's team for the newly established cold case squad.
СЕРИЯ 3
Episode 3
Reality changes after Hae-young exchanges information with Jae-han. Hae-young tries to work together with Jae-han in 1989 to prevent the next murder.
СЕРИЯ 4
Episode 4
The ninth victim is Won-kyung, the woman Jae-han loves. A driver turns himself in, but Soo-hyun and Jae-han determine that his son is the real killer.
СЕРИЯ 5
Episode 5
Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.
СЕРИЯ 6
Episode 6
Seeking vengeance for the events that led to the death of his daughter, Kyung-tae commits a kidnapping after getting out of prison for burglary.
LEE Je-hoon
Kim Hye-su
Cho Jin-woong
Jang Hyeon-seong
Jung Hae-kyun
Kim Won-hae
Lee Yoo-joon
Jung Han-bi
Kim Won-seok
Kim Eun-hee
