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🔔 Notify me about new seasonsSynopsis
It's 3 minutes for hearers, but a life for the callers. A crime thriller chasing even the slightest sounds to rescue people's lives calling for urgent help.
Themes
Episodes
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- E1 A Voice in the DarkNext upJan 14, 2017 · 70 min · ★ 9.3
Synopsis

When Detective Moo Jin Hyuk's wife is brutally murdered, Kang Kwon Joo, an officer with superior auditory abilities, listens on the other end of the 911 call. Three years later, Jin Hyuk and Kwon Joo find themselves working together.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Oh Yeon-ah (Heo Ji-hye), Jo Jae-yun (Fleeing Murderer), Hwang Sang-kyung (Ko Dong-chul), Hong Seo-jun (Prosecutor), Lee Woo-shin (Judge), Lee Joo-sil (Restaurant Owner)
- E2 Healing Mother's Two Faces (1)Jan 15, 2017 · 59 min · ★ 9.0
Synopsis

Jin Hyuk rushes to get to Bok Rim before it's too late. Kwon Joo compiles officers with varying expertise for her Golden Time Team.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Lee Joo-sil (Restaurant Owner), Jeon Soo-jin (Park Bok-nim), Kim Joon-bae (Jo Kang-chun), Hong Boo-hyang (Park Bok-nim's Mother), Jo Young-jin (Bae Byung-gon), Park Hyo-joon (Police Officer)
- E3 Healing Mother's Two Faces (2)Jan 21, 2017 · 58 min · ★ 9.3
Synopsis

Time is running out for Ah Ram as Kwon Joo tries to decipher the xylophone sound. Kwon Joo tells Jin Hyuk her side of what happened three years ago.
Guest stars: Hwang Sang-kyung (Ko Dong-chul), Lee Woo-shin (Judge), Yi Chae-woon (Roh Soo-jung), Choi Seung-hoon (Son Ah-ram), Bae Jung-hwa (Oh Soo-jin), Kwon Byung-gil (Baek Sung-hak), Kim Ji-an (Oh Soo-jin's Daughter), Cho Yu-ha (Oh Soo-jin (child))
- E4 Dark Generic Bell Sound: The Secret of the Chocolate Box (1)Jan 22, 2017 · 58 min · ★ 9.0
Synopsis

When Go Dong Chul's death is ruled a suicide, Kwon Joo realizes she must take things into her own hands. Jin Hyuk hurries to find the victim, whom he knows personally, of a kidnapping case.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Carson Allen (Woman retrieving purse), Han Sa-myeong (Min Ji-seok), Oh Yeon-ah (Heo Ji-hye), Hwang Sang-kyung (Ko Dong-chul), Lee Joo-sil (Restaurant Owner), Yi Chae-woon (Roh Soo-jung)
- E5 Dark Generic Bell Sound: The Secret of the Chocolate Box (2)Feb 4, 2017 · 61 min
Synopsis

The clock is rapidly ticking for Kwon Joo as her captors prepare to bury her alive. Meanwhile, Eun Byul's own life is in danger as she's hidden in a location unknown to the police.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Han Sa-myeong (Min Ji-seok), Lee Ju-seung (Hwang Kyung-il), Kim Ji-hoon (Woo Bong-gil), Kyul Hwi (Ggaldaegi), Jeong Joon-won (Hwang Kyung-il (young)), Han Bo-bae (Park Eun-byul)
- E6 Secret of the Trash House: The Pupil in the Wall (1)Feb 5, 2017 · 62 min
Synopsis

Kyung Il reveals to Kwon Joo that he witnessed her father's murder. Jin Hyuk and Kwon Joo go off on their own, feeling closer than ever to finding the perpetrator.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Hwang Sang-kyung (Ko Dong-chul), Lee Joo-sil (Restaurant Owner), Jo Young-jin (Bae Byung-gon), Son Jong-hak (Kang Kook-hwan), Lee Ju-seung (Hwang Kyung-il), Kim Ji-hoon (Woo Bong-gil)
- E7 Secret of the Trash House: The Pupil in the Wall (2)Feb 11, 2017 · 58 min
Synopsis

When a dead body falls out of a supposed victim's closet, Jin Hyuk and Kwon Joo realize the case goes much deeper than they had initially expected.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Lee Si-woo (Mu Dong-woo), Kim Roi-ha (Nam Sang-tae), Kim Yong-woon (Ji Choon-bae), Kang Min-tae (Nam Sang-tae's Subordinate), Lee Yong-nyeo (Park Bok-soon / Shim Choon-ok), Yoon Kyung-ho (Yoon Pil-bae)
- E8 Secret of the Trash House: The Pupil in the Wall (3)Feb 12, 2017 · 61 min
Synopsis

Jin Hyuk tries to escape the clutches of Good Friend, who don't quite live up to their name. The hunt for the perpetrator continues, but he is not an easy target.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Oh Yeon-ah (Heo Ji-hye), Yi Chae-woon (Roh Soo-jung), Jo Young-jin (Bae Byung-gon), Kook Ki-hun (Han Da-woon), Baek Chun-ki (Kim Pyung-joong), Kim Roi-ha (Nam Sang-tae)
- E9 Secret of the Trash House: The Pupil in the Wall (4)Feb 18, 2017 · 67 min
Synopsis

An accusatory post about Hyun Ho appears online. The Center receives multiple calls when a night club suddenly turns into a nightmare.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Yi Chae-woon (Roh Soo-jung), Jo Young-jin (Bae Byung-gon), Lee Si-woo (Mu Dong-woo), Kook Ki-hun (Han Da-woon), Lee Ju-seung (Hwang Kyung-il), Baek Chun-ki (Kim Pyung-joong)
- E10 Devil's Whisperer (1)Feb 19, 2017 · 58 min
Synopsis

Yang Ho Shik ambushes Eun Soo while Jin Hyuk and Dae Shik are led astray. Things become even more personal when Dong Woo is put in danger.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Lee Si-woo (Mu Dong-woo), Baek Chun-ki (Kim Pyung-joong), Kim Roi-ha (Nam Sang-tae), Kim Yong-woon (Ji Choon-bae), Yoon Ji-min (Jang Gyu-a), Jeong Myeong-jun (Attorney)
- E11 Devil's Whisperer (2)Feb 25, 2017 · 61 min
Synopsis

The elusive Nam Sang Tae prepares to flee the country, but the police are determined not to let him get away this time. A 911 call brings the Golden Time Team to a hostage situation on a rooftop.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Lee Si-woo (Mu Dong-woo), Baek Chun-ki (Kim Pyung-joong), Kim Roi-ha (Nam Sang-tae), Kim Yong-woon (Ji Choon-bae), Yoon Ji-min (Jang Gyu-a), Jang Won-young (Kwon Chang-tae)
- E12 A Call From the Fiery PitFeb 26, 2017 · 65 min
Synopsis

Kwon Joo realizes they may have written off Baek Jin Gu's claims too quickly. Later, she finds troubling information related to the Eunhyung-dong case.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Oh Yeon-ah (Heo Ji-hye), Baek Chun-ki (Kim Pyung-joong), Kim Roi-ha (Nam Sang-tae), Hong Sung-duk (Baek Jin-goo), Cho Wan-ki (Kim Kyu-hwan), Yeo Moo-yeong (Byun Sang-an / Kang Hyun-pal)
- E13 The Birth of Satan (1)Mar 4, 2017 · 62 min
Synopsis

Jin Hyuk goes to meet Nam Sang Tae by himself, hoping for answers. Kwon Joo looks deeper into the relationship between Ji Hye, Kong Chul Hwan, and GP Development.
Guest stars: Kim Jung-ki (Park Joong-ki), Kim Jong Yoon (Nam Sang-tae (young)), Oh Yeon-ah (Heo Ji-hye), Jo Young-jin (Bae Byung-gon), Son Jong-hak (Kang Kook-hwan), Kim Roi-ha (Nam Sang-tae), Kim Yong-woon (Ji Choon-bae), Kim Sang-il (Forensics Investigator)
- E14 The Birth of Satan (2)Mar 5, 2017 · 71 min
Synopsis

All hell breaks loose when Kwon Joo recognizes Tae Gu's voice. A serious bus accident threatens the lives of many, including a pregnant woman and a child.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Kim Hyun (Im Mi-ho), Yi Chae-woon (Roh Soo-jung), Jo Young-jin (Bae Byung-gon), Kook Ki-hun (Han Da-woon), Son Jong-hak (Kang Kook-hwan), Baek Chun-ki (Kim Pyung-joong)
- E15 For the Last Golden Time (1)Mar 11, 2017 · 61 min
Synopsis

As gas continues to leak from the bus, the chance of an explosion heightens. Jin Hyuk must face the undeniable truth about Dae Shik.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Kim Hyun (Im Mi-ho), Jo Young-jin (Bae Byung-gon), Baek Chun-ki (Kim Pyung-joong), Kim Roi-ha (Nam Sang-tae), Choi Ki-seob (Tabloid), Lee Do-gyeong (Mo Gi-beom)
- E16 For the Last Golden Time (2)Mar 12, 2017 · 65 min
Synopsis

Jin Hyuk and Kwon Joo sneak into Tae Gu's killing lair, unaware Dae Shik is inside. Can they capture the crazed murderer before he escapes? Find out in the thrilling series finale.
Guest stars: Kim Jung-ki (Park Joong-ki), Song Boo-gun (Goo Gwang-soo), Yi Chae-woon (Roh Soo-jung), Jo Young-jin (Bae Byung-gon), Lee Si-woo (Mu Dong-woo), Kook Ki-hun (Han Da-woon), Baek Chun-ki (Kim Pyung-joong), Lee Do-gyeong (Mo Gi-beom)
Cast & crew
Created by Ma Jin-won
™
Lee Ha-na
Song Seung-heon
Son Eun-seo
Kang Seung-yoon
Kim Jung-ki
Song Boo-gun
Baek Sung-hyun
Kim Jae-uck
Han Jong-hoon

















