After the discovery of two murders, Commissioner Chabrier, of the French secret services, is investigating the disappearance of plans affecting the national defense of the country robbed by a gang of international spies.
Lambert
André Dumas
Un inspecteur de police
Le client de l'hôtel
Commissaire Chabrier
Michel Perrin
Fred
Oudrach
Christine
Myriam
Mérignac
Lucien
Jean-Jacques
Le directeur
Fernand
Le tueur