Lucien Lumière has just bought a camera. He wants to experiment. In a square, he discovers a young woman sitting on a bench and decides to film her...

Guillaume, thirty years old, a man of images who never goes out without a filming device, decides one morning to take a voyage to Rouen empty-handed.

The veneer of the story is a tale of chance love: two French expatriates strike up a chance romance when they meet on a ship headed back to South America.