My girlfriend has read all three books. She tells me it's badly written, most of its erotic porn that repeats itself in nearly every chapter. She say she doesn't enjoy the series and only read all of it because she's OCD about leaving series with an incomplete ending. Plus, she got all the books for free - and glad she didn't pay for it.
From what I gathered, it's about a rich man who is interviewed by a female journalist. They're attracted to each other and go out on a date. She goes back to his - but before he sticks it in her, he makes her sign a waiver because he likes to use toys and other weird paraphernalia and it continues from there...