Just how far will he go to take his pound of flesh from her?

I'm Jett, self-made billionaire.
I've achieved everything I've ever set my mind to—except revenge.
Eight years ago, my best friend stole my multimillion dollar idea...
After I fell for his little sister.
He made a fortune.
And she stabbed me in the back.
Now he's in financial straits, while I'm richer than I ever dreamed.
So I made Whitney a bargain: forty million dollars in exchange for a week of her body.
But now that she's in my bed, animosity may not be all I'm feeling...