Like many American motorcycle enthusiasts, successful corporate attorney John Telliman has spent thousands of dollars customizing his bike so that he can enjoy his Sundays riding the open road with his friends. However, the widower and father of a college-aged daughter is restless, nagged by a feeling that his biker lifestyle is missing an element of adventure and danger. The feeling is heightened when he and his friend Bobby Douglas go riding and are engulfed in a group of menacing outlaw bikers on their custom choppers. Telliman convinces Douglas to help him experience the atmosphere of hanging out with "real" bikers, and their search soon leads them to a criminal bike club's stripper bar in Downtown Phoenix, where they get a sampling of the dark element of biking. But the dream becomes a nightmare when Douglas is found dead the next morning and Telliman is later assaulted by bikers who believe that he has taken an item from them known only as the Package...