KJ, an offbeat middle schooler and martial arts movie nerd from Compton, challenges the top dojos in South LA, wearing his uncle’s old black belt. But when his former fighter dad gets too involved, both learn there’s more to life than keeping your guard up.

Griffin, a rollerblader in the not so distant future of an economically wrecked Los Angeles, races against time to save both his younger brother and the city from the fate dealt out by the fascist rollerblading street gang, the Rollerboys.