Season
- Season 4 2021-06-18
- Season 3 2019-05-11
- Season 2 2018-08-11
- Season 1 2017-01-14
- Season 0 2017-03-18
Episode
- Episode 1: New Emails
- Episode 2: The Face Of The Suspect
- Episode 3: The Phone Call From The Victim
- Episode 4: The Body In The Cauldron
- Episode 5: Running Away From Danger
- Episode 6: Circus Man's Multiple Personalities
- Episode 7: 28 Years Ago
- Episode 8: The Missing Teen
- Episode 9: Hidden Room
- Episode 10: Short Kidnapper
- Episode 11: Kwak Man Taek's Confession
- Episode 12: The Vimo Plant
- Episode 13: Episode 13
- Episode 14: Episode 14
Voice
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.
