Between history and fiction, in the struggle for Ciano's life and his diaries, an indictment of Hitler and Ribbentrop's treacheries, is also the son of a cockney and a Rome noblewoman. Carlo Rufus Williams joins the Resistance after the King and his generals abandon Rome to the Germans. With sensuous Mirta della Rovere, he fights back until a street attack provokes a Nazi massacre in reprisal.