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!

It's December 1837, and the young adults of the Cynster clan have succeeded in having the family Christmas celebration held at snowbound Casphairn Manor, Richard and Catriona Cynster's home. Led by Sebastian, Marquess of Earith, and by Lucilla, future Lady of the Vale, and her twin brother, Marcus, the upcoming generation has its own plans for the holiday season.

Griff Knighton's found the perfect way to avoid being trapped into marriage with one of the Earl of Swanlea's daughters: He'll swap identities with his man of affairs during their next visit to Swan Park, and be free to pursue his own desires! After all, he's not about to marry some homely spinster just to claim his rightful title. But Griff didn't reckon on the brazen, voluptuous Rosalind, who could tempt even a saint into sinning, and Griff is no saint.

A past kiss with adorably bookish Miss Olivia Norley should be barely a memory for Marlowe Drake, the duke of Thornstock. After all, there are countless debutantes for a handsome rakehell to charm beyond a young lady whose singular passion is chemistry - of the laboratory type. But Thorn has not forgotten - or forgiven - the shocking blackmail scheme sparked by that single kiss, or the damage caused to both their names. Now Thorn’s half brother, Grey, has hired the brilliant Miss Norley for her scientific expertise in solving a troubling family mystery.

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....