Money in exchange for letting you fuck on the train?

On a train trip the uncle has in front of a girl who is tremendous, she is so hot that the uncle cannot help himself and ends up offering him money in exchange for getting laid. the girl is outraged and angry, but then she thinks a little better and decides to accept the offer. why refuse a good orgasm and earn some money on top? well, they say that we all have a price and of course this girl had it.