The aristocratic sex method of recognizing cheaters

Everyone loves to despise rich and influential people, thinking that their success is the result of cunning and dishonest manipulation. But imagine that meeting such cunning characters, who always get what they want, is actually the ideal outcome? For example, a cunning girl comes to meet the father of her aristocratic suitor, declaring that she doesn't need his money at all. And here comes an old, wise deceiver who easily tricks this young lady into a not-so-innocent surprise... Ah, this dirty sex! So, who's interested in finding out who will ultimately deceive whom?