In order to receive their part of an inheritance, Barbara and Bernard must find the other beneficiary, Jean-Pierre. As they search for him, they arrive at Boulogne, which they will find is used by rich people as a place to be sexually free in total privacy. There, they will be led by other couples to fulfill their most daring fantasies.
| Actor | Role |
|---|---|
 Philippe GastéBernard Pradier | Bernard Pradier |
 Anne LibertBarbara Pradier | Barbara Pradier |
| PPierre DannyMaurice | Maurice |
 Julia TomasDana | Dana |
 Fernand BersetPoliceman | Policeman |
 Nanette CoreyNanette | Nanette |
 Claudine BeccarieClaudine | Claudine |