First Air Date: 2017-01-14
Rating:7.3 / 10(72 votes)
Status: Ended
Genres: Crime, Drama
Seasons: 4 · Episodes: 58
Runtime: 60 min / episode
Director: Shin Yong Hwi
Writer: Ma Jin-won
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.
