Pierre married Florence, the only daughter of a small industrialist. 15 years later, he is the boss, but his middle-class life worries him a lot. When a new young and lovely secretary comes, he starts dreaming.

Clumsy Monsieur Hulot finds himself perplexed by the intimidating complexity of a gadget-filled Paris. He attempts to meet with a business contact but soon becomes lost. His roundabout journey parallels that of an American tourist, and as they weave through the inventive urban environment, they intermittently meet, developing an interest in one another. They eventually get together at a chaotic restaurant, along with several other quirky characters.

A couple get married, not out of love, but to get away from their families. When they run out of gas and have to stop at a mountain hotel, they discover their love is now real.