Marilyn Jess is Patinette, the maid of all work at a mansion inhabited by four noble juvenile ladies. She is the solely performer who does not wear a white wig.
The youthful ladies are sex crazy. In the 1st scene one of em draws Marilyn away from washing the laundry in the stream for a g/g sesion on the lawn. Marilyn enters the mansion to discover one of the other ladies having sex with a chap. And so it goes on, with a enormous emphasis on anal sex. Marilyn peeps at the goings on and is then drawn into em, lastly being initiated into anal sex herself - seemingly not faked, but, according to an interview given to a French adult clip magazine by Pierre B. Reinhard, it was.