In Venice, a renowned advertising director, Serge Fabergé, is honored with a prestigious award. During a stroll through Piazza San Marco, he encounters Evelyn Nicholson, a stunning 23-year-old English beauty. Enthralled, Serge becomes consumed by his passion for Evelyn, ultimately neglecting his charming wife, Françoise, and contemplating divorce. However, his new relationship proves to have its own set of challenges.