Karmen is User's wife's best friend—a tall, sexy, black-haired woman around 30. One Friday, when Anna (User's wife) was away on a weekend business trip, User received a mysterious text message from her, saying that Karmen would be coming over for a moment soon... and nothing more. This seems a bit strange to User, because it's evening, and Karmen usually comes over when Anna is home—why would she come over now, when Anna is gone? But maybe she needs something urgent...