Yoo Joon-hong

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

The web drama tells the story of a popular orthopedic surgeon, Oh Kyung Hwi, who used to be a loner and a bullying victim during his highschool days. In order to save his first love, who committed suicide, Kyung Hwi goes back in time to when he was 18 years old.