A writing assignment propels Carrie through a journey of sexual discovery. Berated by her friends as a beyond boyfriend sex, virgin, Carrie agrees that to write about it she must widen her experience and she sets out to do so. Quickly escalating from sex with a stranger, to threesome, then foursome, Carrie loves this work maybe a little too much. As the experiment goes further, Carrie begins to keep the details of her exploits from her friends. Instigating sex with strangers and visiting a sex club where her addiction to the thrill of sex becomes evident. Carrie has sex with a man and a woman overlooked by a balcony full of strangers before joining three friends in a room full of strangers. Finally, Carrie falls for a man who will ultimately pull her further into sexual obsession and introduce her to taboos she had never imagined. She is lured into the world of S and M as she pushes her experiences further, discovering that pain and pleasure can go hand in hand. But old habits die hard and she is drawn back to familiar faces.