Overview
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.
CreatorsMa Jin-won
WritersMa Jin-won
Top Casts
See All Cast & Crew
Details
First air date2017-01-14
Last air date2021-07-31
Production countriesSouth Korea
LanguageKorean
Production companiesContent K, Studio Dragon, KEYEAST
Homepagehttp://program.tving.com/ocn/voice/
