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★ 8.52016TV SeriesKorea
CrimeDramaFantasy

A cold-case profiler in 2015 and a detective in 1989 work together to solve a series of related murders spanning three decades using a special walkie-talkie to communicate with each other.

11691 people rated
🔇

Signal

2016

R

Korea

Crime

Drama

Fantasy

A cold-case profiler in 2015 and a detective in 1989 work together to solve a series of related murders spanning three decades using a special walkie-talkie to communicate with each other.
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8.5 /10

11691 people rated

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Top Cast(20)
starring avatar
Lee Jehoon
Park Hae-yeong
starring avatar
Kim Hye-su
Cha Soo-hyeon
starring avatar
Cho Jin-woong
Lee Jae-han
starring avatar
Kim Won-Hae
Kim Gye-cheol
starring avatar
Hae-gyu Jeong
Ahn Chi-soo
starring avatar
Hyun-Sung Jang
Kim Beom-joo
starring avatar
Lee Yoo-Joon
Jung Hun-Gi
starring avatar
Gi-sub Jung
Choi Seok-won
default avatar
Ji-man Eom
Kim Hae-chul (Detective)
default avatar
Min-kyu Kim
Hwang Eui-kyeong
starring avatar
Su-ji Jeon
Kang Hye-seung
starring avatar
Hwa-Young Im
Cha Soo-Min
starring avatar
Kim Jeong-yeong
Kim Won Kyeong's Aunt
starring avatar
Kim Jeong-yeong
Kim Won Kyeong' Aunt
starring avatar
Son Hyeon-ju
Jang Young-chul
starring avatar
Jung Suk-yong
Oh Gyung-tae
starring avatar
Lee Sang-Yeob
Jin-woo
starring avatar
Lee Shi-Ah
Kim Won Kyeong
starring avatar
Ki-chun Kim
Lee Chun-goo
starring avatar
Ki-chun Kim
Lee Chan Goo [Bus driver]

User Review

author avatar

PEPE

07/06/2026 14:15
one of my favorite time slip kdrama
author avatar

Glory Oko

19/05/2026 12:21
please post the complete episodes 🙏
author avatar

Fiza Khan

08/01/2026 15:25
please hindi dubbed all episode I will accept my request 🙏
author avatar

Joel Eyuel

26/11/2025 08:43
it is a 9/10 move
author avatar

Kania Chandra

29/06/2025 13:33
16
author avatar

Tiara Nadiya

18/06/2025 01:24
S2 nya lamanya kk
author avatar

Ali Haider Cheema

15/04/2024 03:06
A newbie detective/profiler, Park Hae Young (Lee Je Hoon), finds a walkie talkie that is broadcasting through time from Hae Young's time of 2015 from 2000. Hae Young has been assigned to a cold case unit who is tasked with solving crimes where the trail of evidence has gone cold. It is more of a political move than any real attempt to solve the crimes in terms of the "higher ups." On the other end of the line is Lee Jae Han (Jo Jin Woong) who is able to get clues from Hae Young about crimes that "occurred" and change or prevent the events. Cha Soo Hyun (Kim Hye Soo) is a female dectective who leads the cold case team. She knows Jae Han well as she was once a rookie on his team. I liked this but what slightly ruined it for me was it ended very nebulously. Some like it when it "leaves you to wonder" - I am not one of them. I understand there MAY be a second season but without that being a certainty the ending just didn't do it for me. I liked all the characters, the suspense and cases, but the ending is what really determined how I felt about this overall. Many really liked this - it rates very high. A lot of folks rate this higher than Tunnel. I preferred Tunnel. That had similar intrigue and was based on some of the same real murder cases. However, that story for me was more logically flowing and the ending felt complete. Worth the watch but be aware the ending is not neatly tied up.
author avatar

Eva Giri

15/04/2024 03:06
The reviewers giving 9/10 ratings to this are suspicious to me. This police procedural has many plot holes and loose ends and implausible events. Mostly has rude characters yelling at each other and hitting each other and going into hysterics over small things. The character Cha is pretty but has zero personality. Might as well be a mannequin. No one seems to ever search for the body of the girl kidnapped in ep1 .
author avatar

Aunty Camilla

15/04/2024 03:06
Unbearable and frustrating to watch the last few episodes to say the least. A very good plot let down by the need to make it extra dramatic and soapy. What a letdown!
author avatar

Biggie

15/04/2024 03:06
Yikes. The one plot device everyone raves about is the one thing that bored me silly with this: Present day detectives are communicating through time & space with a counterpart from their past. Oh Lord. I'm sure there's all sorts of metaphors & mysticism I'm missing here, but the bottom line is it just wasn't believable to me and I quickly lost interest. I dunno, if you enjoy the Marvel/DC world where characters have some kind of superhuman power that you & me will never have, then this contemporary Korean police series may be right up your alley. I was trying to compare this our with Law & Order SVU, but it's apples & oranges - Benson & her squad figure stuff out, in Signal Cha and her staff wait for the supernatural to tell the what to do.

User Review

author avatar

PEPE

07/06/2026 14:15
one of my favorite time slip kdrama
author avatar

Glory Oko

19/05/2026 12:21
please post the complete episodes 🙏
author avatar

Fiza Khan

08/01/2026 15:25
please hindi dubbed all episode I will accept my request 🙏
author avatar

Joel Eyuel

26/11/2025 08:43
it is a 9/10 move
author avatar

Kania Chandra

29/06/2025 13:33
16
author avatar

Tiara Nadiya

18/06/2025 01:24
S2 nya lamanya kk
author avatar

Ali Haider Cheema

15/04/2024 03:06
A newbie detective/profiler, Park Hae Young (Lee Je Hoon), finds a walkie talkie that is broadcasting through time from Hae Young's time of 2015 from 2000. Hae Young has been assigned to a cold case unit who is tasked with solving crimes where the trail of evidence has gone cold. It is more of a political move than any real attempt to solve the crimes in terms of the "higher ups." On the other end of the line is Lee Jae Han (Jo Jin Woong) who is able to get clues from Hae Young about crimes that "occurred" and change or prevent the events. Cha Soo Hyun (Kim Hye Soo) is a female dectective who leads the cold case team. She knows Jae Han well as she was once a rookie on his team. I liked this but what slightly ruined it for me was it ended very nebulously. Some like it when it "leaves you to wonder" - I am not one of them. I understand there MAY be a second season but without that being a certainty the ending just didn't do it for me. I liked all the characters, the suspense and cases, but the ending is what really determined how I felt about this overall. Many really liked this - it rates very high. A lot of folks rate this higher than Tunnel. I preferred Tunnel. That had similar intrigue and was based on some of the same real murder cases. However, that story for me was more logically flowing and the ending felt complete. Worth the watch but be aware the ending is not neatly tied up.
author avatar

Eva Giri

15/04/2024 03:06
The reviewers giving 9/10 ratings to this are suspicious to me. This police procedural has many plot holes and loose ends and implausible events. Mostly has rude characters yelling at each other and hitting each other and going into hysterics over small things. The character Cha is pretty but has zero personality. Might as well be a mannequin. No one seems to ever search for the body of the girl kidnapped in ep1 .
author avatar

Aunty Camilla

15/04/2024 03:06
Unbearable and frustrating to watch the last few episodes to say the least. A very good plot let down by the need to make it extra dramatic and soapy. What a letdown!
author avatar

Biggie

15/04/2024 03:06
Yikes. The one plot device everyone raves about is the one thing that bored me silly with this: Present day detectives are communicating through time & space with a counterpart from their past. Oh Lord. I'm sure there's all sorts of metaphors & mysticism I'm missing here, but the bottom line is it just wasn't believable to me and I quickly lost interest. I dunno, if you enjoy the Marvel/DC world where characters have some kind of superhuman power that you & me will never have, then this contemporary Korean police series may be right up your alley. I was trying to compare this our with Law & Order SVU, but it's apples & oranges - Benson & her squad figure stuff out, in Signal Cha and her staff wait for the supernatural to tell the what to do.
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Bahasa Indonesia
हिन्दी
اردو
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About 1234money
Official Link ReleaseDownload 1234money APKPrivacy PolicyUser Agreement
Disclaimer: All videos and pictures on 1234money are from the Internet, and their copyrights belong to the original creators. We only provide webpage services and do not store, record, or upload any content.