Gaston wants more than anything to marry the naive Simone. But where he is, there is Sidonie, a local singer romantically pursued by the police commissionaire.
Leaving the station after having caught the last Paris Metro, a man comes to the rescue of a woman who is being assaulted and finds himself drawn into her affairs.
A young student on vacation falls in love with the daughter of his hostess. The father, who has come to put an end to the beginning idyll, falls in love with the young girl's mother, but she refuses to marry him. He will end up, despite his disappointment, giving his consent to his son's marriage.
Mr. Durand is bored in his relationship. He takes a mistress but does not take long to return to his wife, a little because he is sad, a little also because he has affection for her, but above all out of selfish habit.
