A French officer and his sister develop an inappropriate attraction, leading to comical misadventures and an unexpected twist that brings them closer despite their forbidden desire.

Brigitte Bardotas Pilar d'Aranda
Jean-Claude Pascalas Juan d'Aranda / de Sallanches
Germaine Dermozas Comtesse d'Aranda
Marcel Pérèsas Frégos les Papillottes
Alfred Adamas Le général de Lasalle
Daniel Ceccaldias Lieutenant Bogard
Jacques Dacqmineas Général de Sallanches
Robert Dalbanas Le capitaine
Jean Debucourtas Le père supérieur
Charles Dechampsas L'oncle de Juan