I met an escort when I was in the UK back in August for a 3 hr appointment(much better value than here). During one of our breaks from activity I asked her did she have any fantasies.
She told me that, only recently, she had finally acted out a fantasy that she had been thinking about for a long time.

Through a friend, she arranged for 2 males to 'break in' to her friend's apartment, where she was staying for a weekend on her own, and have their wicked way with her. She did not know the guys, and she did not know at what time during the weekend they would arrive.
When they 'broke in' they had dark clothes and masks on so she would not know what they looked like. They were instructed to be rough(within reason) and to treat her like a slut, which according to the lady in question they did to her absolute pleasure. According to her, she had multiple orgasms and the best 12 hours of sex she had ever had.

After hearing that, I went on the rampage with her, and we needed half an hour in the shower when we were finished to cleanse our souls.

She offered to bring me to a swingers party the next time I'm over.