S.O.S. Sahara (1939)
Directed by Jacques de Baroncelli

Film Synopsis

The head of a branch of the Trans-Saharan Company has his ordered existence thrown into disarray when his ex-wife suddenly re-enters his wife.  He had hoped that he had seen the last of this despicable monster, a woman with absolutely no scruples, and who seemed to take a mad delight in being unfaithful to him and ruining him.  Her next hapless victim is a young radio operator, who cannot help falling in love with her.  Blind to the woman's inner failings, he is overwhelmed with his feelings for her.  When she is killed during an attack by blood-thirsty raiders he is so devastated that he is driven to kill himself...