The Heirs

Larry Blake is an American airline pilot who loves women and ... trouble! Wherever he goes troubles indeed follow, like this time in Paris. On vacation in the French capital, the happy American decides to discover Paris by Night. As of his first night out, he gets to know Michèle Marley, a beautiful entertainer, and looks forward to a wonderful night of pleasure. But things do not go according to plan. Indeed, Laurent, Michèle's partner is found dead and not only is Michèle accused of killing him but Larry is suspected of being her accomplice as well ...

To conceal his nighttime infidelity from his wife Gisele, Pierre calls in a particularly shady private detective to concoct an alibi. He is introduced to a certain Robert Crémieux, who will pass himself off to Gisèle as a childhood friend with whom he spent the night until the early hours of the morning. The so-called childhood friend turns out to be a delinquent accused of burglary and rape on the very night he was supposed to be with Pierre. Pierre is immediately suspected of being his accomplice and, trapped by his own turpitude, arrested. Entangled in his lies and denials, he has to admit his infidelity to get out of the impasse.

Vincenzo, a railwayman who works on the Rome-to-Paris line, has a wife in Italy and a mistress in France: Ginette, a widow with a four-year-old daughter. When he's offered a job in Paris he decides to move, but unfortunately his wife and petulant brother-in-law insist on accompanying him to Paris, and he must decide between the two women in his life.

Marc, a motorcycle brigadier, is engaged to the charming Véronique. But his future brother-in-law, the clumsy Roger, leader of a Sunday motorcycle gang, has set his sights on joining the motorcycle police.

Jacqueline and Jacques, newlyweds, are in frequent discussions. The cause is Jacqueline's flirtatious nature, which she has not been able to shake off despite her marriage. One of her tennis partners, Pierre, declares his love for her, but Jacqueline advises him to marry Simone instead. Meanwhile, the husband is approached by an unsympathetic character who suggests that Jacqueline is his mistress.

In Pompeii in the year 79, Lycias and Helen fall in love. Helen's guardian, the high priest of Isis, wants to separate them. To do so, he tries to make Lycias drink a love potion, but a young slave threatens to reveal everything. The high priest, unable to silence her, kills her and arranges to have Lycias accused...

Sylvette welcomes three soldiers on the eve of Saint-Jean 1945. Each claims that she promised him five years earlier to belong to him on Saint-Jean... Which one is the right one? Finally, it is Francis who manages to prove his good faith. Sylvette will be, we couldn't be happier to get rid of a flighty husband who has gone to look for the damsel in the four corners of the world...