Bianca, a Corsican, supports her frivolous sister, Rosa, by making laces. The sculptor, Manatelli, visits her cottage to buy laces, and sees her modeling in clay. Impressed by her talent, he offers her free instruction if she wishes to come to Paris. Bianca accepts and promises to send for Rose as soon as possible. In Paris she meets Etienne Du Inette, head of the Internationale, a powerful secret service organization. He and Bianca are instantly attracted to each other.