 During the Nazi occupation of Rome, the resistance leader Giorgio Manfredi aka Luigi Ferrari (Marcello Pagliero) is chased by the Gestapo. His friend Francesco (Francesco Grandjacquet), who is going to marry the widow Pina (Anna Magnani), together with the priest Don Pietro Pellegrini (Aldo Frabrizi) help him to get a new identity and leave Rome. However, Manfredi is betrayed by his lover Marina Mari (Maria Michi) and arrested by the Germans.