Here is a Wikipedia quote on the film;
Among the main characters are Freud himself and his nephew Edward Bernays, who was the first to use psychological techniques in advertising. He is often seen as the "father of the public relations industry". Freud's daughter Anna Freud, a pioneer of child psychology, is mentioned in the second part, as well as Wilhelm Reich, the main opponent of Freud's theories.
Along these general themes, The Century of the Self asks deeper questions about the roots and methods of modern consumerism, representative democracy and its implications. It also questions the modern way we see ourselves, the attitude to fashion and superficiality.