Im Hyun-tae

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

When Ji Won-young's direct superior at work is fired due to a corruption scandal, Won-young - in spite of being innocent of any wrongdoing - finds himself unceremoniously discharged from the company as well.

A former model student, pushed by domestic abuse and bullying, joins a group that stands up to school violence and defends its victims.