Monsieur Marty is a professor and Madame Marty’s husband. Madame Marty’s excessive spending at the Ladies’ Paradise forces Monsieur Marty to seek financial help from Madame Desforges, and to take on some shady teaching jobs that jeopardize his main position. Ultimately, Madame Marty’s habits drive him into a fit of mania in which he behaves like a tyrant, and she goes to live with her uncle.