7.1
/10 By 55 Votes
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.
First Air Date : Jan 14, 2017
Last Air Date : Jul 31, 2021
Runtime : 1h 0m
Episodes : 58
Seasons : 4
Genre : Crime,Drama,
Companies : Content K, Studio Dragon, KEYEAST
Countries : KR
Keywords : detective, obsession, investigation, call center, murder, death, policewoman, mad dog, suspense, special power