Don King is involved in two fistfights that result in the deaths of his combatants, and, after serving prison time, enters the world of professional boxing. Chatty, with a memorable head of hair, King becomes the promoter for Muhammad Ali and other champions, and he stages lucrative boxing spectacles in the Philippines, Zaire, Atlantic City, Reno and Las Vegas. Despite King's success, he's beset by critics who say he cons his fighters out of their ring earnings.