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Signal

Season 1

All seasons

Episodes

  1. S1 · E1 · 22 Jan 2016 · 67 min

    You're Doomed

    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. S1 · E2 · 23 Jan 2016 · 66 min

    We Still Have a Chance

    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. S1 · E3 · 29 Jan 2016 · 65 min

    We Can Prevent the Killings

    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. S1 · E4 · 30 Jan 2016 · 65 min

    We Found the Killer

    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. S1 · E5 · 5 Feb 2016 · 68 min

    Changing the Past Alters the Present

    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. S1 · E6 · 6 Feb 2016 · 70 min

    Catch Him by All Means

    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. S1 · E7 · 12 Feb 2016 · 67 min

    We Must Dig Deeper

    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. S1 · E8 · 13 Feb 2016 · 74 min

    How Are You Alive?

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

  9. S1 · E9 · 19 Feb 2016 · 74 min

    Hongwon-dong Case

    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.

  10. S1 · E10 · 20 Feb 2016 · 72 min

    Someone Has to Stop the Bad Guys

    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.

  11. S1 · E11 · 26 Feb 2016 · 78 min

    The One Last Case

    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.

  12. S1 · E12 · 27 Feb 2016 · 78 min

    The Case Was Manipulated

    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.

  13. S1 · E13 · 4 Mar 2016 · 74 min

    The Real Assailant

    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.

  14. S1 · E14 · 5 Mar 2016 · 74 min

    Not Now, but Maybe in the Past

    Hae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-woo was not guilty.

  15. S1 · E15 · 11 Mar 2016 · 72 min

    Is It Really You?

    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.

  16. S1 · E16 · 12 Mar 2016 · 89 min

    If You Don't Give Up

    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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