André Marquette

Disguising himself as a geisha and introducing himself as Madame Mufiko, a certain Max Fox opens a school in Paris where he proposes to teach the Japanese art of love. He recruits a few students, boys and girls, to whom he teaches to imitate the positions represented on old prints. The young people set themselves to it with such ardor that soon the girls are pregnant. In addition, the school is put under police surveillance and the false Mufiko sees her true identity revealed.

Duke Philippe de Nevers is an influential and popular man who is married to a beautiful wife called Aurore. His rival Philippe de Gonzague hates him enough to organise an attempt on him. The Duke is accompagnied by Henri de Lagardère when de Gonzague's henchmen altogether attack him. Lagardère cannot save his friend because the both of them are hopelessly outnumbered. He has to escape in order to save the Duke's daughter and swears revenge. Together with his old buddy Passepoil he raises the little girl in Spain. At the same time he returns frequently to France where he detects confronts his friend's murderers and puts them to the sword one by one until only their former leader is left. Finally he discovers that Philippe de Gonzague is the man for whom he is looking.