On the advice of a friend, Claude, married to the charming Isabelle and father of two, decided to transform his library, hardly flourishing, into a sex shop. This change of activity proves to be very lucrative and sharpens his desire to spice up his married life through various erotic experiences. Claude asks his wife to share with him the audacity he dreams of. Soon, the household meets a dentist and his wife and is engaged, without much success, to new discoveries. Isabelle, full of good will, tries to follow her husband ...