Gigi and Alice are married when they rear-end a young couple: she's about to give birth so Gigi and Alice take them to the hospital and then find out the young couple don't have a lot of money so they decide to help them financially.

Carlo breaks up with his girlfriend and takes refuge in the house of Gigi and Alice Fumagalli, who has just left her job to be a homewife without telling her husband.

Christmas is coming and the Mantelli family is ready to spend it together but Alice, mother and wife, is afraid her marriage could end because the spouses are too deep into their routines so she decides they should go on a vacation.