Robert Bernier murdered his brother with the complicity of a worker. The only witness to the tragedy, Veronique was injured while rescuing her boss and remains blind. Later, cured by an operation, she denounces the criminal whose voice she recognized and who had taken over the factory.
| Actor | Role |
|---|---|
 Marcelle GéniatVéronique | Véronique |
 Pierre LarqueyMagloire | Magloire |
 Jacques VarennesRobert Bernier | Robert Bernier |
| GGaby TriquetLa petite Marthe | La petite Marthe |
| FFrance EllysMadame Bernier | Madame Bernier |
 Jacques BerliozLe juge d'instruction | Le juge d'instruction |
| AAndrée BertyLa jeune fille | La jeune fille |
| NNicole RozanL'amie de Magloire | L'amie de Magloire |
| DDaniel CléricePhilippe | Philippe |
 Jean MarconiNot listed | Not listed |
| GGinette TrévoixNot listed | Not listed |