Entangled With The Heiress (Dani Wade).

"Entangled with the Heiress" by Dani Wade takes on the very idea of seduction in its plot. Rhett, an investigator hired to discredit a widow's reputation discovers that she is exactly the kind of woman he's interested in, but they are just hired for their jobs and seemingly can't choose to stay away from each other.

However, with every action he takes to prove this woman's mischief, he realizes more about who she really is. Is there any hope for him to stop pursuing her? Does she want to be pursued? You'll have to read the book to find out.