In Castallet, a village in Provence, cats are swarming and disturbing the peace and quiet of the inhabitants. The municipality decides to get rid of these invasive felines, but a group of children nicknamed "la bande à Bobo" (Bobo's gang) comes to their defense.

• Pierre Repp
• Michel Galabru
• Mario David
• Fernand Sardou
• Armand Bernard
• Gaby Morlay
• Corinne Armand
• Jay Benedict