1895. Discovery of X-rays. Researchers and scholars are true martyrs, because they do not know how to protect themselves against radiation dermatitis. Professor Belcour has to have one hand amputated, his assistant Henri Vermont, aware of the danger, has the courage to break up with his fiancée. Withdrawn to the countryside, they eventually recover.
Yvan Noé
Writer, Director

Madeleine Sologne
Madeleine

Claude Dauphin
Henri Vermont

Jean Murat
Professor Bellecour

Janine Darcey
Denise

Pierrette Caillol
Precursor

Gérard Landry
Jacques Monval

Marthe Régnier
Sick woman
Georges Alain
Pierre

Jean d'Yd
Doctor