The film tells the story of Frau Concha a femme fatale or as the story points out, a "fille perdue", a lost girl who has no feelings or scruples, toying with men as she pleases. These are the kind of wicked girls that usually are invited to enjoy the soirées at the Schloss. She is without mercy, respect or loyalty and Suzanne Talba is just great in the role and performs it in a unique way.
The film portrays the relationship between a female Moroccan student, who has been forced to leave her studies at the Sorbonne for financial reasons and works as a dancer in a Paris nightclub, and a French naval officer. However, on returning to Casablanca she is tricked into believing that he had the led attack on her village that wiped out her family. She begins to plot her revenge.
A cabaret singer in Barcelona sacrifices her feelings for an exiled young Frenchman who had been falsely accused of a crime, when the sister of the real culprit seeks the exile out.
