Oh Son Do Son

While Im Sejun settles things with his fists, his best friend, Hajin Seo, eats and breathes grappling. Together, they fend off bullies on their school campus, but everything changes after a fight that sets Sejun on a mission to hold those responsible accountable for their crimes. What began as a schoolroom brawl quickly turns into a fight for justice and truth as Sejun hits the streets looking for any leads as to what happened on that fateful day.