April Dawn

After a young woman is gang raped and murdered in a California college town, her brother takes up arms by night with a gang of like-minded vigilantes from his fraternity, brutally punishing any miscreants they catch in a criminal act.

A 12-year-old genius, poor Max is a washout socially. To impress his girlfriend, he sells the design of his latest invention-a jumping bike-to a major toy company.