Jang Joon-yeong

In 1969, a 10-year old boy's life takes a major turn when he discovers the father he never met is alive. Selling candy bars left and right to save up for a trip to see his dad, the boy embarks on a journey that could change his life forever.

A former special forces soldier delivers revenge for victims of injustice while working for a secret organization that fronts as a taxi company.

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.