Simone and Jean have just married and, looking for a home in the Paris region, are lucky enough to find a house with a garden in a residential suburb. Expecting their first child, the young couple began to observe how the parents of neighboring families were raising theirs.

17 year-old small-town girl Nicole Noblet comes to Paris dreaming of becoming a world-famous actress.

A novel by Michel De Saint Pierre was the source for Les Aristocrates. Pierre Fresnay stars an aging Marquis, who tries his best to uphold the traditions of nobility in an ever-changing world. The Marquis' children prefer the trappings of modern society and pop culture and regard their father as a relic. This cultural clash nearly results in tragedy when two of the Marquis' offspring substitute recklessness for common sense.

Celestin works as an organist at a girl's school. By day, Celestin is the meek and mild target of the girls' incessant practical jokes. By night, however, he is the celebrated composer of popular operas -- and the romantic vis-à-vis of a celebrated stage star. When schoolgirl Denise stumbles onto Celestin's secret, she threatens to tell all -- but only if Celestin refuses to escort her to the opening night of his latest opera. As a result, Denise falls in love with a handsome young soldier, while Celestin is accidentally shipped off to an army camp. A series of silly coincidences brings happiness to all concerned by fade-out time.

Michel Piccoli plays a police inspector whose best friend is murdered on the orders of gang boss Charles Vanel. The inspector knows full well that Vanel is too crafty and well-connected to ever stand trial for his crime, so he carefully lays a subtle trap for his adversary. Unfortunately, both Piccoli and Vanel are thwarted by a pair of scheming females.

During the First World War, the Empyrée Montmartre, a Paris music-hall, is dedicated to patriotic revues whose star is the charming Mitsou. The young artist is not without talent but she is mainly well-connected. She is indeed the cherished mistress of Pierre Duroy-Lelong, a rich industrialist. One night, thanks to Petite-Chose, an ebullient singer-dancer and her co-star, she gets to know a handsome army, Lieutenant Bleu. Mitsou falls madly in love with him and Lieutenant Bleu is physically attracted to her. The trouble is that Bleu comes from a distinguished family and cannot put up with her lack of culture and artistic bad taste...