Tunned loves mechanics but doesn't have much money to rev-up the family car. Years of labor lead to a disappointing result which is not to his mother's tastes either. When she throws him out of home, he joins the gang who think his super-powerful car-stereo system is perfect for parking-lot parties.
Founded by the venerable Bodenpower, the Bangers gang is made up of fun-loving youngsters who sometimes get a little unruly. This bad reputation, perpetrated by the government-controlled media, makes people cross the street when the Bangers arrive in town. But they're out to change all that - even if they have to beat it into people’s heads!