Now aged 17, Antoine Doinel works in a factory which makes records. At a music concert, he meets a girl his own age, Colette, and falls in love with her.
Basil Stitt, in the aftermath of an inexplicable incident, decides to sequester himself inside his apartment, setting the stage for a profound transformation.
Three mice run, cavort, sing and dance around in the stores and restaurants a big city at night. They wind up in a café for an early-morning snack and stocking up on food provisions before they return to the safety of their den beneath a man-hole cover in the street.
Reflecting the filmmaker's passion for automobiles, who in his youth participated in car races, the film portrays the attempt to manufacture a new model in the Ford factory in the city of Porto.
The mangiest pup at Pete's Pooch Palace catches the Captain's eye. He takes it home, but Mama is less than thrilled; she forbids it to stay in the house.
According to his last will, the rich American uncle of vacuum cleaner salesman Peter Pett only leaves his 5 million dollars to Peter if he is married happily.