Guillaume Dodut is a stationmaster in rural France at a station where trains no longer stop. His dream has always been to holiday in the famous resort town of Biarritz. Meanwhile, he gets involved in the romantic life of his son who is studying to be an engineer in London.
Lucien Bourrache, a good looking non-commissioned officer at the Spahis, is used to charm many women. He met Madeleine Courtois at Cannes. She is beautiful and lives in luxury. He lends her a large amount of money, which she loses gambling. Then she drops him. But Lucien is now in love, and once demobilized, he goes to Paris to find her again. But he's not so sexy without his uniform, and Madeleine and him do not belong to the same milieu.
Monsieur Serval has made a deal with his daughter Jacqueline. She can be a lawyer and act her own way provided that, in a given period of time, she becomes a great name of the profession. If she does not, she must pledge herself to marry the son of a rich man, Monsieur Feutrier. Jacqueline accepts and starts her career by defending Pierre Besnard, a bad Boy. Not only does she get the case dismissed but she falls in love with Pierre as well. But she is not famous for all that and sooner or later she will have to bring herself to marry Feutrier's son.
Maxime, heir to an old provincial family, is deeply in love with Maud whom he makes his fiancée. But learning that the young girl's life has not always been beyond reproach, he refuses to marry her and returns to his castle in the company of his sister who, happier than him, has met a man worthy of being in Paris. love.