The Incredible Mr. Black

When the rich and famous Maximilian Blackstone meets Alexander, a young woman who falls for his good looks, but discovers that he has terrible secrets, which includes a twin brother, and that he seeks his sexual pleasures through S&M and Bondage. She thinks that she can cure him by pretending to be a submissive.

However, Alexander has a few secrets of her own as she matches wits with him to secure his love and devotion.