William and Elisabeth Marston are fascinating scholars from the 1920s, who touch on psychology and who use themselves or their students to experience the concepts of domination and submission in erotic relationships. Very quickly, young Olive joins them in an inseparable trio : at university, in the city, and in bed. It is from their life - their progressive ideals and their erotic experiences - that they will create Wonder Woman, a super heroine queen of the lasso and conductor of the liberation of women in a world of comics full of machismo.