Robert Lambard, son of a respected Parisian banker, seduces Marguerite Walser, the sister of Guy Walser, a diligent general manager employed by his father. At these times, especially in the upper social class, such an act is of course not without social consequences, and so Guy, after learning about this relationship, demands Lambard junior to marry his sister in order to restore her "soiled" honor . But he just laughs... see more