Nelly, the dancer of the Black Tavern, is the girl, the gigolette, of the apache Zar-la-Mort, a notorious man of the Parisian underworld. She is forced by him to seduce the rich banker Albert, so that Zar can rob him of everything. Yet, Nelly falls in love with Albert, confesses the crime and repairs the wronging, fleeing with Albert to America. But even there they cannot escape the wrath of Zar, who tracks them down, kills Albert and forces Nelly to return with him to Paris. With equal, yet feminine cruelty, Nelly will take revenge.