Emerging from obscurity to win the heavyweight crown in the early 1950s, Rocky Marciano fought until 1955, retiring with a perfect 49-0 record - a feat still unmatched today. Yet as much as he embodied the wholesome, rags-to-riches patriotism of a true American hero, Marciano also reflected the racial and ethnic tensions festering beneath the country's benevolent facade. In this portrait of a complex American sports legend, Russell Sullivan confirms Rocky Marciano's place as a symbol and cultural icon of his era.