Walter Klozett is a spy arrested and imprisoned by the French Police who know him in possession of stolen booty which the French secret services would like to recover at all costs.

A couple who live in the French provinces are surprised to inherit a hotel in Paris. These new owners are determined to sell it, but that's without the charms, vagaries, and clientele of this typical inn implanted in a nice neighborhood.

Detective Baldassarre spends his forced exile sorting criminal records. He gets a chance to return to the line of fire when two people, an aristocrat and a worker are struck by lightning inside a fancy mansion. The incident would be relegated to freak accidents, but Baldassare's attention is drawn to the strangeness of the events and he begins to investigate.

Marie, who was orphaned as a young girl, has a case of arrested development that makes her act younger than her age. One day she stops to look in a store window displaying various ornate dolls. Claude, the affluent, eccentric store owner, sees her and becomes infatuated which leads to her and him meeting and deciding to go and take a look at Claude personal doll collection at his house. Marie, unaware of Claude's bizarre obsession with dolls, decides to marry him.

After losing his job, an idealistic adman starts his own agency, putting himself in the crosshairs of his jaded ex-boss.

In this imaginary investigation, the scientist, who was very secretive, is presented in a new light. Actors play people who knew Einstein and retrace his journey. The portrait is followed by a debate on a point of controversy, the involvement of Albert Einstein in the nuclear war.

Roger, editor of a women's magazine, meets Roberte, his friend Jean's former mistress, at a major couturier's during a collection presentation. Roberte, who now lives in Florence with her niece Maria, asks Roger to arrange a student exchange so that Maria can come to Paris to perfect her French. Roger approaches Jean's son Philippe, a student at the Beaux-Arts, who agrees to go to Florence. Maria and Philippe meet on the platform at Pisé station. They miss their respective trains and take a walk together. A flirtation begins, then each goes back to the other. Jean finds Maria charming and, like an unrepentant Don Juan, decides to win her over, but thanks to his old maid, his intrigues come to nothing and Maria can marry Philippe.