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.
Yang Kkot-Nim is a therapist at a rehabilitation hospital. She is bright and brave, but highly emotional inside. Since her father passed away, Kkot-Nim gets through the world with her step mom Jang Soon-Ae, who has been always nice to her step-daughter Kkot-Nim.
