To his family, François Voisin is nothing more than a humdrum civil servant. In truth, for the past twenty years he has been working as a secret agent. All goes well until circumstances put his secret in danger.

Thierry Lhermitteas François Voisin
Miou-Miouas Hélène Voisin
Eddy Mitchellas Albert Grelleau
Michel Boujenahas Simon
Hélène Zidias L'assistante d'Hélène
Annick Alaneas Pascaline
Bérangère Jeanas Catherine
Sagamore Stéveninas Julien
Jean Benguiguias Sarkis - Le trafiquant d'armes
Claudine Wildeas Vanessa - La call-girl