Mr Jo, nicknamed "the man with the Buick", is the darling of the small town of Honfleur. But he is in fact a trafficker with a bad reputation who would like to forget about his past, now limiting himself to smuggling rubies under the cover of a charitable organization which offers underprivileged children holidays in Switzerland. However, Mr. Jo is in love with a pretty widow and, in order to marry her, he is willing to get involved in a hold-up again. And "the man with the Buick", who seemed so honorable, will surprise the inhabitants of Honfleur when Inspector Menard reveals his secret activities.

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.

A theatrical director's relationship with his aspiring actress girlfriend begins to unravel when she fails to land a role in his play.

Civil servant Adrien Courtois comes to Paris in order to make his money bear fruits.