BRO' chronicles the rite of passage of a young suburban college student, Johnny. When Johnny meets Stephanie, she takes him to meet her brother, Jesse, at a freestyle motocross event in Riverside, California. Jesse takes the young, eager Johnny under his wing and shows him the party lifestyle.
His involvement with drugs, girls, and freestyle motocross begin to clash with his religious and moral upbringing. It only takes Johnny a few mistakes to end up doing time in the L.A. County Jail, also losing his girlfriend and his reputation. Upon his release, Johnny must decide what's truly important.