Glaucus, a demobilized centurion returns home to Pompeii to find his father murdered by a gang of black-hooded Christian robbers that terrorizes the city and he decides to investigate the matter while the nearby volcano threatens to erupt.

Sylvain, a suave, witty player as well as an accomplished writer and Genevieve met 10 months ago. He wanted a serious relationship for the first time so they moved to the country so they could be together and he could write.

Two French advertising agencies vying for a contract with a manufacturer of washers. The manager decides to hire the agency submitting the best advertising campaign. Jean Francois, head of the A.P.N., has the great idea of ​​looking for an authentic Portuguese washerwoman to present the ads. But competition, the O.P.I., led by the attractive Catherine, on a trip to Portugal, check the washer ideal. It is a shy girl who is happy with life in Portugal and refuses to accept the proposals of Catherine. And here intervenes Jean François, who pretends to fall for her to take her to Paris ..

A wealthy widow, Natercia, helps Alain, a poor young man, to put together the film he plans to make. They decide to pool their resources to make the project a reality. At the first screening, Natercia realizes that Alain no longer needs her.

In a small Italian town, the local youngsters realize that their youth is coming to an end and marriage will soon follow. They gather together for one last time in an attempt to revive their younger days, but this comes to a dismal conclusion. Gradually it dawns on the group that childhood is over and the next stage in human growth must be faced.