Featured titleCrime

Signal

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.

Year

2016

IMDb

8.5

Poster Feed

Cast

Kim Won-seok

Director

Lee Jehoon

Park Hae-yeong

Kim Hye-su

Cha Soo-hyeon

Cast

Kim Won-seok

Director

Lee Jehoon

Park Hae-yeong

Kim Hye-su

Cha Soo-hyeon

Cho Jin-woong

Lee Jae-han

Kim Won-Hae

Kim Gye-cheol

Hae-gyu Jeong

Ahn Chi-soo

Hyun-Sung Jang

Kim Beom-joo

Lee Yoo-Joon

Jung Hun-Gi

Gi-sub Jung

Choi Seok-won

JE

Ji-man Eom

Kim Hae-chul (Detective)

MK

Min-kyu Kim

Hwang Eui-kyeong

Su-ji Jeon

Kang Hye-seung

Hwa-Young Im

Cha Soo-Min

Kim Jeong-yeong

Kim Won Kyeong's Aunt

Kim Jeong-yeong

Kim Won Kyeong' Aunt

Son Hyeon-ju

Jang Young-chul

Jung Suk-yong

Oh Gyung-tae

Lee Sang-Yeob

Jin-woo

Lee Shi-Ah

Kim Won Kyeong

Ki-chun Kim

Lee Chun-goo

Ki-chun Kim

Lee Chan Goo [Bus driver]

KE

Kim Eun-hee

Writer

Trailer

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Comments

10 Comments

rainAug 7, 2026

where's episode 1

Dembe MafanedzaJul 6, 2026

please upload the complete series

EMMAN ♐Jun 7, 2026

one of my favorite time slip kdrama

Glory OkoMay 19, 2026

please post the complete episodes 🙏

Fiza KhanJan 8, 2026

please hindi dubbed all episode I will accept my request 🙏

Joel EyuelNov 26, 2025

it is a 9/10 move

Kania ChandraJun 29, 2025

16

Tiara NadiyaJun 18, 2025

S2 nya lamanya kk

Ali Haider CheemaApr 15, 2024

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.

Eva GiriApr 15, 2024

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 .