Episode list

Signal

You're Doomed

Thu, Jan 21, 2016
The main protagonist tries to help the police catch a killer that kidnapped and murdered his childhood schoolmate 15 years ago.
7.9 /10
We Still Have a Chance
Park Hae-young continues to try catching the culprit that kidnapped his childhood schoolmate and after that they began a small police force which solved outdated unsolved cases and they are starting on a popular serial killer case.
8 /10
We Can Prevent the Killings
The search for the serial killer continues as the main protagonist tries to change the case by communicating with a detective from the past.
8 /10
We Found the Killer
The cold case squad figures out who the serial killer is, but not before the wrong suspect turns himself in.
8.2 /10
We Must Dig Deeper
Lee Jae Han catches the real culprit behind the burglaries, unwittingly changing the past for the worse again.
7.6 /10
How Are You Alive?
The cold case squad finds Shin Da Hye, who has been living under the murder victim's identity.
8.4 /10
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.
7.9 /10
The One Last Case
The Cold Case Squad catches the Hongwon-dong serial killer, but Lee Jae Han's determination changes the past again.
7.6 /10
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.
8.1 /10
The Real Assailant
Park Hae Yeong and Cha Soo Hyun are waiting for the DNA results of the corpse they found. Meanwhile, they remember Lee Jae Han. Hae Young discovers that he was never alone, and Soo Hyun remembers the last time she saw her sunbae and her 15-year waiting for their reunion.
8.1 /10
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.
7.9 /10
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.
8.1 /10
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.
7.5 /10
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