The King of France locks away his twin perverse and sexually obsessed daughter Jaqueline. And forces her to wear an iron mask for all of her days. Madeline, Jaqueline's mannered twin sister takes the place for her evil sister. Soon after the France is in deep jeopardy. By the evil Jaqueline spreading her sexual charms all through the government. Eventually Jaqueline's love Francois frees her sister. And Jaqueline runs away from the palace with her new love Maximillian. In the end Madeline falls in love with Jaqueline's ex. Now that Madeline is free she can now choose the man she wants to marry.