Signal Episode Rating Graph

Jan 2016 - present

8.5

Signal Episode Rating Graph poster

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

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Best Episodes of Signal

Not Now, But Maybe In The Past
S1 Ep14
8.5
5th Mar 2016
Hae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-woo was not guilty.
We Found the Killer
S1 Ep4
8.5
30th Jan 2016
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.
How Are You Alive?
S1 Ep8
8.3
13th Feb 2016
Soo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty years ago.
You're Doomed
S1 Ep1
8.3
22nd Jan 2016
Profiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.
Is It Really You?
S1 Ep15
8.3
11th Mar 2016
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.

Worst Episodes of Signal

We Must Dig Deeper
S1 Ep7
7.8
12th Feb 2016
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.
Changing the Past Alters the Present
S1 Ep5
7.9
5th Feb 2016
Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.
Someone Has to Stop the Bad Guys
S1 Ep10
7.9
20th Feb 2016
The bodies discovered in the mountains appear to be more victims of the 1997 serial murder case. Jae-han learns that Soo-hyun became team leader.
Catch Him by All Means
S1 Ep6
8.1
6th Feb 2016
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.
Hongwon Dong Case
S1 Ep9
8.2
19th Feb 2016
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.

Signal Episode Guide

You're Doomed
S1 Ep1
8.3
22nd Jan 2016
Profiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.
We Still Have a Chance
S1 Ep2
8.2
23rd Jan 2016
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.
We Can Prevent the Killings
S1 Ep3
8.2
29th Jan 2016
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.
We Found the Killer
S1 Ep4
8.5
30th Jan 2016
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.
Changing the Past Alters the Present
S1 Ep5
7.9
5th Feb 2016
Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.
Catch Him by All Means
S1 Ep6
8.1
6th Feb 2016
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.
We Must Dig Deeper
S1 Ep7
7.8
12th Feb 2016
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.
How Are You Alive?
S1 Ep8
8.3
13th Feb 2016
Soo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty years ago.
Hongwon Dong Case
S1 Ep9
8.2
19th Feb 2016
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.
Someone Has to Stop the Bad Guys
S1 Ep10
7.9
20th Feb 2016
The bodies discovered in the mountains appear to be more victims of the 1997 serial murder case. Jae-han learns that Soo-hyun became team leader.
The One Last Case
S1 Ep11
8.2
26th Feb 2016
Hae-young and Soo-hyun arrest Jin-woo after coming to the conclusion that he is the killer. Hae-young asks Jae-han about the Inju rape case.
The Case Was Manipulated
S1 Ep12
8.2
27th Feb 2016
Hae-young becomes a suspect for the murder of Chi-soo. Jae-han realizes who the principle offender of the attack on Hye-seung is.
The Real Assailant
S1 Ep13
8.2
4th Mar 2016
Soo-hyun and the others mourn after confirming that the remains belong to Jae-han. Hae-young learns that Jae-han used to look after him in the past.
Not Now, But Maybe In The Past
S1 Ep14
8.5
5th Mar 2016
Hae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-woo was not guilty.
Is It Really You?
S1 Ep15
8.3
11th Mar 2016
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.
If You Don't Give Up
S1 Ep16
8.3
12th Mar 2016
Hae-young is in critical condition after being shot while meeting with Sung-bum. In 2000, Jae-han has been captured by Bum-joo.

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