As part of the fascination in post World War II France with American culture, a young French couple here travel to the US to see for themselves the prosperity they have heard about.
Hélène has an affair with Alain for ten years, but does not want to divorce her husband. Alain receives one letter from a girl Michelle one day. Hélène, who is very jealous, receives that letter by chance and interprets it incorrectly.
The adventures of a Parisian boy and his little friends, who have taken on the role of detectives to track down the shady activities of Max, a disreputable individual who is courting Sylvie, the Parisian boy's young aunt... The discovery of a priceless necklace returned to its owner, will bring an...