Be sure that you trust your escort and stick to him/her throughout the party. Just have fun and try avoiding the drinks/food or anything that may be spiked. If you trust the environment, then go for it. And if anything becomes too overwhelming tell your buddy that you want to leave — immediately.
~Don’t risk going if you feel unsure about this.

Uhm, the girls I know who have been raped, and I know 3, all were at parties like this. Don’t go.