Cassandra falls in with the wrong crowd in high school. Her home life is not great, and she turns to a group of delinquent bikers to escape. Before long she's doing drugs and failing her classes until she has no chance of getting in to college. She marries her devoted, clueless high-school sweetheart Johnny, but soon grows desperate for more drugs and falls into her old habits. The police try to help her out of her dilemma and take action against the increasing drug traffic, but have only mixed results in both pursuits.