Louis Bertain is the owner of a Paris garage which is the front for a robbery gang. He and his accomplices are careful to keep up a civic veneer by day, indulging in criminal activities only when "the red light is on" at night. This status quo is upset when one of the gang members becomes convinced that Louis' younger brother is a police informer.
Jean Gabin
Annie Girardot
Lino Ventura
Paul Frankeur
Marcel Bozzuffi
Albert Dinan
Antonin Berval
Thomy Bourdelle
Serge Lecointe
Jean-Pierre Mocky
Jo Peignot
Lucien Raimbourg
Gabriel Gobin
Jean Bérard
Gaby Basset
Gina Nicloz
Lucienne Legrand
Claude Nicot
Jacques Josselin
Albert Michel
Jacques Marin
André Garret
René Hell
Robert Leray
Charles Bouillaud
Dominique Boschero