Self-made civil engineer Geoffrey Brookhouse has unexpectedly inherited the dukedom of Greenwood. But he has a secret that could ruin his family. Hoping to save his timid sister from that fate, he seeks to marry her off to a respectable, protective gentleman. With the London Season imminent, Geoffrey hires Elegant Occasions to orchestrate her debut. Yet Lady Diana Harper, spirited fashion expert, proves more than he bargained for. Suddenly, Geoffrey’s sister is emerging from her shell, and he is beleaguered with social invitations and gossip!

Along with his stepsiblings, Sheridan Wolfe, Duke of Armitage, is determined to finally solve the mysteries behind the suspicious deaths of their mother's three husbands. Tasked with investigating a possible suspect, Sheridan finds himself in dangerous proximity to her captivating daughter, Vanessa Pryde. But still haunted by a tragically lost love, the duke is resolved to resist the attraction - and avoid any "scheming" husband-hunters. Besides, lovely Miss Pryde seems utterly smitten with a roguish London playwright....

Lady Amelia Plume has many admirers – it’s too bad they’re all fortune hunters and fops who can’t provide the exotic adventures she seeks. But the ballrooms of Mayfair have become much more appealing since the arrival of Major Lucas Winter, an American with a dark past and a dangerous air. Lucas is brash, arrogant – and scandalously tempting. Every thrilling kiss sparks hotter desire, yet Amelia suspects Lucas has a hidden motive in wooing her. And she intends to discover it, by any means necessary.

Artemis Jones—respectable finishing-school teacher by day and Gothic-romance writer by night—has never lost sight of her real dream: to open her own academic ladies' college. When she’s unexpectedly called upon by a dear friend, a fellow Byronic Book Club member, to navigate her first London Season, she comes at once—who knows, perhaps she can court the interest of a wealthy patron for her school. It’ll all be fine as long as she can avoid her high-handed aunt's schemes to marry her off.

Miss Cleopatra Lewis is about to be launched in society by her aristocratic grandfather. But since she has no intention of marrying, she visits a costume emporium specifically to order unflattering dresses guaranteed to put off any prospective suitors. Powerful and charismatic Jacob Astor Addison is in London, acquiring businesses to add to his theatrical holdings in America—as well as buying an emerald for a young lady back in Boston. He’s furious when a she-devil masquerading as an English lady steals Quimby’s Costume Emporium from under his nose.