Catherine, 18, loved Jean, a young accountant, who loved her in return. And yet, one morning, two policemen find their dead bodies on a stretch of waste ground. The case is obvious: the two young people have killed themselves. But why? Chief Inspector Ernest Plonche, feeling upset, decides to investigate personally.
Louis Jouvet
as Inspector Ernest Plonche
Daniel Gélin
as Jean Bompart
Dany Robin
as Catherine Mareuil
Georges Chamarat
as Auguste Bompart
Yolande Laffon
as Madame de Mareuil
Renée Passeur
as Léa
Catherine Erard
as Odile de Frontin
Pierre Moncorbier
as The valet of the Mareuils
Paul Barge
as Commissioner Constant
Marcel Herrand
as Charles Mareuil
Claude Achard
as (uncredited)
Catherine Arley
as A guest (uncredited)
