Down a foggy, desolate road to the port city of Le Havre travels Jean, an army deserter looking for another chance to make good on life. Fate, however, has a different plan for him, as acts of both revenge and kindness render him front-page news.

Evelyne, a judge's young wife, falls in love with Remy, that lives in Paris, during Holidays. After following him in the lovers city, she decides to return home to inform her husband about all - but her plane crashes.

德拉维尔蒙（杰拉·菲利浦 Gérard Philipe 饰）是一位年轻而又英俊的军官，无数的女人们臣服在他的花言巧语之下，而他的各种风流韵事亦在大街小巷里传得沸沸扬扬。某日，德拉维尔蒙和好友勒鲁瓦打了一赌，赌他在这个月之内能够斩获一位女士的芳心，在舞会上，德拉维尔蒙将筹码压在了名叫玛莉路易斯（米歇尔·摩根 Michèle Morgan 饰）的女子身上，随即对她展开了热烈的攻势。
玛丽路易斯还有另一位名叫杜维尔格（让·德赛利 Jean Desailly 饰）的追求者，他的存在激起了德拉维尔蒙的胜负心，这一次，他表现的格外卖力。哪知道随着时间的推移，德拉维尔蒙竟然真的爱上了风情万种的玛莉路易斯。