While the Sexists rule the roost in Sainte-Foy, Huguette and her gang take advantage of their children's departure to summer camp to try to reestablish good neighborly relations.

To prove that she has become a docile and harmless housewife again, Huguette participates in a beauty contest organized by the mayor of Sainte-Foy.

Huguette tries to convince her gang to go to Montreal to track down the invader. The criminal is back, the time for her revenge has come.