The freeways are clogged. Terror stalks our cities. At shops and restaurants, the customer is seldom right. The pressures of big-city life can anger everyone. Bill Foster is more than angry. He is slipping over the edge. He abandons his gridlocked car on the hottest day of the year and heads home. Instead, he walks straight into an urban nightmare. He is an ordinary guy who declares war against the frustrations of daily living. A savvy cop is obsessed with stopping Foster's citywide rampage.