"Rêve blanc" sets a vivid scene on Easter Sunday, showcasing a religious ceremony at the cathedral where Agnès worships alongside her mother, Mme Vésale. As they leave the service, Agnès is filled with youthful excitement, particularly when she sees her friend Cécile, recently returned from her honeymoon. This social dynamic unfolds as Agnès engages in conversations about love and marriage, hinting at her burgeoning curiosity about romance. The narrative follows the Vésale family as they prepare for a trip to Paris, unveiling Agnès's conflicting feelings about her upcoming experiences and encounters, particularly with André Morère, a young man whose eloquent words ignite her imagination and desire for deeper understanding of love and connection. (This is an automatically generated summary.)