Secrets of a French Maid (1980)
Original title: Die Nichten der Frau Oberst
Secrets of a French Maid is a 1980 German-language comedy movie directed by Erwin C. Dietrich, with a running time of 1h 28m. It stars Karine Gambier, Brigitte Lahaie and Nadine Pascal.
Frau Oberst has 2 young nieces who are very open with their sexuality. She hopes to find adequate lovers for her nieces and along the way finds herself in some precarious sexual situations. After a series of sexual encounters between just about everyone at the estate, the Countess drops by for a party where the nieces announce their wedding intentions.