Vienna Betrayal by Lila Dubois

The secret and exclusive Orchid Club is the only way for Alena to get close to reclusive billionaire Alexander Wagner. To attract his attention, she turns herself into his perfect submissive.
Alexander has spent years denying the darkest of his desires, but something about Alena calls to him. He thinks he’s met a woman he can trust with his licentious secrets.
When her betrayal is revealed, he’ll offer her a devil’s bargain. But the truth of who she is, and what she needs from him, is not nearly as dangerous as the passion between them.