TV SERIES
5 SEASONS
14 Jan 2017
Overview
Seasons
Network
The Plot
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.
Top Billed Cast
Lee Ha-na
Song Seung-heon
Son Eun-seo
Kim Joong-ki
Song Boo-gun
Baek Sung-hyun
Kang Seung-yoon
Maurice Turner Jr.
Kim Kyu-na
Yang Joo-hoCreated By
All Seasons
Season 1
16 Episodes
Generation of Disgust
12 Episodes
City of Accomplices
16 Episodes
Time of Judgment
14 Episodes