A young tormented student can no longer stand his miserable life. To avoid his sister marrying an old antiques dealer out of convenience, he murders a pawnbroker to steal his money. Very quickly, it is taken from remorse and confides to a young prostitute. The latter, very believing, advises him to go. He opposes this idea, but guilt devours him. He is soon struck by remorse, and confides in a young prostitute, who advise him to surrender. He opposes this idea, but guilt devours him.
Jean Gabin
as Commissaire Gallet
Marina Vlady
as Lili Marcellin
Ulla Jacobsson
as Nicole Brunel
Bernard Blier
as Antoine Monestier
Robert Hossein
as René Brunel
Gaby Morlay
as madame Brunel
Gabrielle Fontan
as madame Horvais
Gérard Blain
as Jean Fargeot
Lino Ventura
as Gustave Messonnier
Marie-José Nat
as La jeune fille du bal