Jean-Louis, Danielle's fiancé, a nurse, becomes blind following an explosion in the mine where he works. Coming from Lyon, Doctor Coudray, whose natural son Gilbert - who loves Danielle - dies while helping his father threatened by the person responsible for Jean-Louis' accident, will work to restore his sight.
| Actor | Role |
|---|---|
 Victor FrancenDr. Coudray | Dr. Coudray |
 Ludmilla TchérinaDanielle | Danielle |
 Gérard LandryJean-Louis | Jean-Louis |
 Georges RollinGilbert | Gilbert |
 Camille BertDr. Chevalier | Dr. Chevalier |
| CChristiane LysLolita | Lolita |
| EEdmond AudranNot listed | Not listed |
| JJacques MattlerNot listed | Not listed |