Richard Lemieuvre plays a dentist in Paris. His niece, Martine (Barbara Moose) comes to visit and he hires a private detective (Dominique Aveline) to keep a watch on her. Martine works as his receptionist at first and spies on him having sex with a patient (Brigitte Lahaie). Martine later goes to a shoe shop where Liliane Lemieuvre is a customer (non-sex). Martine then has sex with the shop assistant, who notices her playing with herself. Martine has various adventures, including getting involved in a fetish dungeon scene with Diane Dubois, Marilyn Jess and Guy Royer, sex with a waiter in the hotel, watches Alban Ceray having sex with Morgane (dressed as a bride), phoning up her uncle while he has sex with his wife (Cathy Stewart) and finally with Dominique Aveline. (In French language). ADULT CONTENT.