Is there a greater challenge for the Ambitious Mothers of London than an unmarried duke?
Lady Whistledown's Society Papers, April 1813

It seems that Simon Basset is ready to propose to the sister of his best friend, the lovable - but almost on the shelf - Daphne Bridgerton. However, both of them know the truth: it is a complicated plan aimed at getting Simon out of the minds of the high society mothers who are eager to marry off their daughters well. As for Daphne, it is certain that this will attract some worthy suitors now that the duke has declared her desirable.
However, as Daphne sways with Simon to the rhythm of the waltz at one ball after another, she finds it increasingly difficult to remember that their flirtation is a sham. Whether it's his devilish smile or certainly his eyes that light up every time he looks at her... the sure thing is that Daphne is falling in love with the daring duke... for real! And now she must do everything possible to convince the charming womanizer that their cunning little scheme needs a slight modification and that nothing else matters anymore except love...