Signal

8.2

Production

 Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.

Trailers & Videos

[#시그널] 6분 하이라이트!

Seasons

16 Episodes • Premiered 2016

Communicating via a walkie-talkie that transcends time, a profiler from 2015 and a detective from 1989 join forces to tackle crimes and injustice.

1. You're Doomed

8.4

Profiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.

2. We Still Have a Chance

8.2

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.

3. We Can Prevent the Killings

8.0

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.

4. We Found the Killer

8.0

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.

5. Changing the Past Alters the Present

7.5

Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.

6. Catch Him by All Means

8.0

Seeking vengeance for the events that lead to the death of his daughter, Kyung-tae commits a kidnapping after getting out of prison for burglary.

7. We Must Dig Deeper

7.8

Jae-han arrests Se-kyu for the serial burglary case, but the culprit is freed after serving a short sentence; Kyung-tae still commits murder.

8. How Are You Alive?

8.6

Soo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty years ago.

9. Hongwon Dong Case

8.4

Hae-young learns that Chi-soo and Jae-han met in 1999 during a case in Inju. After serving time for the crime, Hae-young's brother had killed himself.