A small town gentleman learns that his prim and proper wife was once a showgirl, and that, even worse, he had enjoyed a one night stand with her in the Orient.

A scientist who have discovered how to turn salt water into petrol dies before he has revealed his formula. By mistake it's assumed that his assistant knows it although he does not.

Mr. Gustave Bourdillon loves hopelessly the wife of the director of the institution where he is the only teacher. Soon a widow, the pretty wife of Mr. Calumet, agrees to marry the brave professor, but believes each onstant that her husband has returned in the form of his brave little dog Medor. After incredible situations and an immeasurable pursuit, Gustave Bourdillon and widow Émilie will live a deserved happiness.

Madame Millois, an ambitious mother, thinks she has found the perfect match for her daughter Arlette, Count de Tremblay-Matour. Alas, the ideal husband happens to be a crook. On the night of the wedding, the fake nobleman robs his wife and abandons her. While the outraged Madame Millois looks for the real Count de Tremblay, Arlette seeks consolation with Maxime, a childhood friend. At last, the real count is found. Unsurprisingly, he is furious to learn that, legally, he is Arlette's husband. After a while though, he mellows and accepts to "remain" Arlette's husband.