Aria's never acted on her secret need to give up her normally tight control -- until one night, when a mysterious business card appears in a very personal place. For the first time in her life, Aria's taking a chance on fate and the promise of a stranger to discover her veiled desires. ER doctor Mac Hudson has always known who he is and what he wants. Now he's looking for a sub to explore all the erotic cravings and fantasies he wants to share. One glimpse of Aria, and Mac's ready to claim the petite sub in every way he can. A single night of passion is all she expected. Now Mac's asking for more, and Aria doesn't know if her newfound naughty nature is up to the challenge.