After missing a train, Marc meets and falls in love with Sylvie. They agree to meet in Paris at the Tuileries Garden without exchanging contact information. On the time of the rendezvous, Marc is held up in a meeting and they miss each other. Disappointed, Sylvie moves to the USA with her husband. Later, Marc meets Sylvie's sister Sophie and they fall in love. As Marc and Sophie's relationship becomes serious, he discovers she is Sylvie's sister.