Chantal, an alluring Parisienne, falls in love with Alexander. Her life is turned upside down when Alexander is framed for murder. Guy, an officer of the French Legion, persuades her to provide services in Algiers in return for his help. She soon discovers that she was tricked into working for the Secret Army opposing the Algerian independence. Her attempts to leave this inferno tailspin into an inescapable web of deception. Chantal hides near the Casbah, disguised as a Muslim woman, desperately trying to return to Paris. She makes it as far as Marseille and finds that she is still in the grip of intrigue.