The incredible career of Muhammad Ali is dramatised in this exciting film starring Ali himself. Fresh from his gold medal victory at the Olympic Games, 18-year-old Cassius Clay is ready to seek the heavyweight championship. Under the masterful guidance of trainer Angelo Dundee (Ernest Borgnine), Clay snatches the title from Sonny Liston. Soon afterward, Clay converts to the Islam religion and changes his name to Muhammad Ali. When he is suddenly classified 1A by the Draft Board that earlier rejected him, Ali refuses the draft on religious grounds. His hard-won title is taken from him. Winning a three-and-a-half-year long court battle, Ali returns to the ring for what may have been some of the greatest fights of all time...