A wealthy financier fatally wounds himself while handling a dagger. Before dying, he leaves a private letter to his lawyer accusing his wife. It is the financier's son who becomes the suspect. In love with the young woman, the lawyer is torn between duty and love.
| Actor | Role |
|---|---|
 Louise LagrangeRenée de Pernois | Renée de Pernois |
 Max MaxudianMonsieur de Pernois | Monsieur de Pernois |
 Marcel VibertPierre de Quenay | Pierre de Quenay |
| GGinette GaubertStenographer | Stenographer |
 Pierre EtchepareSecretary | Secretary |
 Pierre NayRoger | Roger |
| PPaul AzaïsNot listed | Not listed |