What's it like to face down the most renowned fighter in the world? Three-time World Heavyweight Champion Muhammad Ali defeated almost every top fighter of the golden age of boxing. Now, experience Ali like never before: through the eyes of his biggest rivals, including Ken Norton, Earnie Shavers, Joe Frazier, George Foreman, Leon Spinks, George Chuvalo, Sir Henry Cooper and Larry Holmes. Turning the cameras provides a fresh and impactful perspective on Ali, the sport, talent and courage.