The Count of Kerlor, to chastise his wife whom he believes to be unfaithful, entrusts his son to a couple of scoundrels. When he repents and wants to find the child, the carnies make their nephew sick. But the other little boy, in search of his comrade, is recognized by his reconciled parents.

Separated by an ancestral hatred, two small villages of the South see their infant population engaging in war, while the teacher of the first village and the mayor of the second love each other.