Passion wears a mask of terror in this strangest of all games!

Wealthy and bored, Paul and Jennifer Montgomery spend their time in a New York City apartment filled with various amusements. Their routine is upended when door-to-door saleswoman Lisa Schindler drops by and is suddenly taken ill. The couple let her spend the night, and soon, the sophisticated Lisa and her hosts embark on a new set of very adult – and very dangerous – games.