Signal - Season 1

Signal - Season 1

Season 1

A walkie-talkie in the present somehow picks up signals from a detective in the past, Lee Jae Han. Police profiler Park Hae Young finds this walkie-talkie and uses it to help solve cold cases. Detective Cha Soo Hyun, who was once a rookie at Lee Jae Han's station, leads the cold-case team. Thanks to Park Hae Young (and Lee Jae Han), the team solves infamous cold cases. But communicating with the past has consequences.

Network
Episodes16
DatesJan 22, 2016 - Mar 12, 2016

Episodes

You're Doomed
Season 1Episode 160 min

You're Doomed

Haunted by a classmate's kidnapping 15 years ago, Park Hae Young becomes a police profiler who's lost faith in the police force. This all changes when he stumbles upon an old radio that's receiving transmissions from the past.

Jan 22, 2016
We Still Have a Chance
Season 1Episode 260 min

We Still Have a Chance

After the Kim Yoon Jung kidnapping case, the Chief of police creates a cold case squad. Their first case is the infamous Gyeonggi Nambu serial murders.

Jan 23, 2016
We Can Prevent the Killings
Season 1Episode 360 min

We Can Prevent the Killings

During the investigation of the serial murders, Park Hae Young discovers that the radio transmissions are actually connecting him to the past.

Jan 29, 2016
We Found the Killer
Season 1Episode 460 min

We Found the Killer

The cold case squad figures out who the serial killer is, but not before the wrong suspect turns himself in.

Jan 30, 2016
Changing the Past Alters the Present
Season 1Episode 560 min

Changing the Past Alters the Present

Park Hae Young begins asking questions about Lee Jae Han. Meanwhile, the police force in Lee Jan Han's time struggles with a string of larceny case

Feb 5, 2016
Catch Him by All Means
Season 1Episode 660 min

Catch Him by All Means

Park Hae Young figures out that Oh Kyung Tae's true objective is the father of the girl he kidnaps.

Feb 6, 2016
We Must Dig Deeper
Season 1Episode 760 min

We Must Dig Deeper

Lee Jae Han catches the real culprit behind the burglaries, unwittingly changing the past for the worse again.

Feb 12, 2016
How Are You Alive?
Season 1Episode 860 min

How Are You Alive?

The cold case squad finds Shin Da Hye, who has been living under the murder victim's identity.

Feb 13, 2016
Hongwon Dong Case
Season 1Episode 960 min

Hongwon Dong Case

Park Hae Young uncovers another layer to Lee Jae Han's disappearance. An old demon from Cha Soo Hyun's past resurfaces.

Feb 19, 2016
Someone Has to Stop the Bad Guys
Season 1Episode 1060 min

Someone Has to Stop the Bad Guys

The Cold Case Squad is assigned to the serial murder, but the last the victims isn't identified. Cha Soo Hyun revisits a past trauma.

Feb 20, 2016
The One Last Case
Season 1Episode 1175 min

The One Last Case

The Cold Case Squad catches the Hongwon-dong serial killer, but Lee Jae Han's determination changes the past again.

Feb 26, 2016
The Case Was Manipulated
Season 1Episode 1275 min

The Case Was Manipulated

Park Hae Young becomes the prime suspect for the Section Chief's murder. Meanwhile, Lee Jae Han must find out who this "one" is before it's too late.

Feb 27, 2016
The Real Assailant
Season 1Episode 1375 min

The Real Assailant

The Cold Case Squad secretly reinvestigates the Injoo gang rape case. Lee Jae Han finds out the connection Park Hae Young has to the case.

Mar 4, 2016
Not Now, But Maybe in the Past
Season 1Episode 1475 min

Not Now, But Maybe in the Past

Following the trail the Section Chief left, Park Hae Young uncovers the truth behind his brother's death. Meanwhile, Cha Soo Hyun finds Lee Jae Han's radio in Hae Young's possession.

Mar 5, 2016
Is It Really You?
Season 1Episode 1575 min

Is It Really You?

Park Hae Young is framed and arrested for the murder of the Section Chief. Cha Soo Hyun sets out to save Lee Jae Han and to find the one witness who can bring down their enemy.

Mar 11, 2016
If You Don't Give Up
Season 1Episode 1675 min

If You Don't Give Up

Lee Jae Han is set on bringing down Kim Bum Joo, despite knowing that he's going to die, but a certain transmission is about to make all the difference.

Mar 12, 2016

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