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 Withdrawn to the countryside, they eventually recover.
as Madeleine
as Henri Vermont
as Professor Bellecour
as Denise
as Precursor
as Jacques Monval
as Sick woman
as Pierre
as Doctor
as Singer
as Joseph
as Gérard
as Dancer
as Madeleine's father
