About this season
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.
Episodes (16)
1. A Voice in the Dark
9.3Aired 14 January 2017 • 70 min
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.
2. Healing Mother's Two Faces (1)
9.0Aired 15 January 2017 • 59 min
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.
3. Healing Mother's Two Faces (2)
9.3Aired 21 January 2017 • 58 min
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.
4. Dark Generic Bell Sound: The Secret of the Chocolate Box (1)
9.0Aired 22 January 2017 • 58 min
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.
5. Dark Generic Bell Sound: The Secret of the Chocolate Box (2)
9.0Aired 4 February 2017 • 61 min
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.
6. Secret of the Trash House: The Pupil in the Wall (1)
9.0Aired 5 February 2017 • 62 min
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.
7. Secret of the Trash House: The Pupil in the Wall (2)
8.5Aired 11 February 2017 • 58 min
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.
8. Secret of the Trash House: The Pupil in the Wall (3)
9.0Aired 12 February 2017 • 61 min
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.
9. Secret of the Trash House: The Pupil in the Wall (4)
9.0Aired 18 February 2017 • 67 min
An accusatory post about Hyun Ho appears online. The Center receives multiple calls when a night club suddenly turns into a nightmare.
10. Devil's Whisperer (1)
8.5Aired 19 February 2017 • 58 min
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.
11. Devil's Whisperer (2)
8.5Aired 25 February 2017 • 61 min
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.
12. A Call From the Fiery Pit
9.5Aired 26 February 2017 • 65 min
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.
13. The Birth of Satan (1)
8.5Aired 4 March 2017 • 62 min
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.
14. The Birth of Satan (2)
9.0Aired 5 March 2017 • 71 min
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.
15. For the Last Golden Time (1)
9.0Aired 11 March 2017 • 61 min
As gas continues to leak from the bus, the chance of an explosion heightens. Jin Hyuk must face the undeniable truth about Dae Shik.
16. For the Last Golden Time (2)
9.0Aired 12 March 2017 • 65 min
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.