Paul Dorgères, a wealthy industrialist, has been mysteriously murdered. The investigation is entrusted to the experienced Chief Inspector Bonnardel and his young rookie assistant, Inspector Richard. Suspicion turns to his mistress Catherine Villard, with whom he had just broken up on the night of the crime. She is soon arrested and charged. However, Inspector Richard discovers a button at the scene of the crime which could help him to trace the trail and confound the culprit(s).
Length 100 minutes
Yves Deniaud | Yves Vincent | Elina Labourdette | Henri Crémieux | Robert Dalban | Jean Debucourt | Marie Déa | Marcel André | Marthe Mercadier | Charles Dechamps | Henri Nassiet | María Riquelme | Guy Decomble | Olivier Hussenot | Jean Barrère | Charles Vissières | Marcel Delaître | André Dumas | Michel Etcheverry | Fernand René | Paul Villé | Julien Maffre | Zélie Yzelle | Madeleine Barbulée | Myriam Bru | Jacqueline Huet | Odette Barencey | Alfred Adam | René Dupuy | Robert Lussac | Jacques Morlaine | Nadine Tallier | Ernest Varial