Aldo Piscitello, a minor government clerk, is forced in 1934 to join the Fascist party. When the war comes, he finds himself able only to talk ineffectually in secret against Mussolini, even as his own son Giovanni is sent into battle. By the end of the war, Aldo has found the courage to stand up for his beliefs, but by then it is too late.

Bewildered, Don Camillo learns that Peppone intends to stand for parliament. Determined to thwart his ambitions, the good priest, ignoring the recommendations of the Lord, decides to campaign against him.