The simultaneously filmed French language version of the 1930 German film The Other. A psychological drama based on the popular Jekyll and Hyde theme involving a strict legal official.

Rita is a thief. With the complicity of her father, a seasoned criminal, she seduces a young heir, Jean Frémeaux, who, after quickly unmasking her, seeks to remove her from his environment. But, out of love, she reluctantly involves him in a casino scam to help him win.

A young engineer falls in love with the Russian countess Tatiana. Their relationship describes the turbulent times of Russia, when it entered the war and later the Revolution. In addition, the monk Rasputin has an important place in the story.