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.
Don Camillo (now bishop) and Peppone (now senator) return to the town of Brescello and rekindle their friendly rivalry.
Priest Don Camillo blackmails his friendly rival Peppone into letting him join a Communist delegation visiting the Soviet Union.
