Heat Factor: She wears a sexy red corset with black lace for seduction purposes…
Character Chemistry: The fact that it was in no way based on seduction lessons made it perfect
Plot: Ostracized former aristocratic woman accepts proposition of brothel owner (among other things) to teach the prostitutes refinement so they can get new jobs. Also, seduction lessons. Ish.
Overall: Heath is just a really good storyteller. That is all.