Mary Rose is a successful young lawyer who plays as hard as she works. That is to say, she does in theory. In practice she works ridiculously long hours and playtime rarely seems to happen. The idea of attending a well-to-do gathering where no-strings sex is freely available appeals to her no end.
Okay, so she's been warned about the masks and amateur dramatics but, in her opinion, a few gimmicks can only add to the experience.