Energetic priest Don Camillo returns to the town of Brescello for more political and personal duels with Communist mayor Peppone.
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.
As Dominique Marceau is being tried for the murder of Gilbert Tellier, accounts by different witnesses paint a picture of the kind of relationship the two used to share.