Wenn du eine Schwiegermutter hast(1937)

Dr. Lorenz is presenting her married daughter to everyone as being unmarried, because she believes a flirtation between the girl and her son-in-law’s boss just might play to the married couple’s advantage. Everyone seems to dance to the doctor’s tune, even a rather moronic professor. However, at the end of all these entanglements, everything seems to work out after all.