A two part documentary; 1 "Beginnings" 1885-1914, 2 "Breakthrough" 1915-1960., that recreates the historical path of psychoanalysis with, at the heart of this story, the destiny of an exceptional man. The first film presents three essential moments of the invention of psychoanalysis: the treatment of female hysteria at the end of the nineteenth century, the creation in Vienna around Freud of a first circle of disciples and the foundation of a movement international aim to spread worldwide the new healing technique of mental illnesses. The second film tells the transformations of psychoanalysis after the first world war: its expansion outside Vienna, its conquest of the great democratic countries and the exile to the United States and Great Britain of all the practitioners of continental Europe. driven out by Nazism and fascism.