Matthew Belmont is a widower who's been lonely too long. He sees Theresa as a woman paying far too high a price for mistakes long past, and as a lady given too little credit for turning her life around. Theresa is enthralled by Matthew's combination of honorable intentions and honest passion, but then trouble comes calling, and it's clear somebody wants to ruin any chance Theresa and Matthew have for a happily ever after.

Wealthy wool magnate Tremaine St. Michael is half French, half Scottish, and all business. He prowls the world in search of more profits, rarely settling in one place for long. When he meets practical, reserved Lady Nita Haddonfield, he sees an opportunity to mix business with pleasure by making the lady his own. Nita Haddonfield has a meaningful life tending to others, though nobody is dedicated to caring for Nita.

Shy, bookish Lady Susannah Haddonfield has no patience with loud, smelly beasts of any species, but must appear to like dogs so as not to offend her sister's only marital prospect. Susannah turns to Will, an acquaintance from her most awkward adolescent years, to teach her how to impersonate a dog fancier. Will has long admired Susannah, though he lacks the means to offer for her, and, yet, as they work together to rescue the purloined pets, it's loyal, dashing Will who steals Susannah's heart.

Gayle Windham, earl of Westhaven, is the first legitimate son and heir to the duke of Moreland. To escape his father's inexorable pressure to marry, he decides to spend the summer at his townhouse in London, where he finds himself intrigued by the secretive ways of his beautiful housekeeper. Anna Seaton is a beautiful, talented, educated woman, which is why it is so puzzling to Gayle Windham that she works as his housekeeper.

The elderly and ill fourth Viscount Longstreet summons Darius Lindsey to a discreet meeting, where he proposes the means for Darius to extricate himself from a life of shame and repay his family's debts. William offers him a chance at redemption: Spend a month with his wife, Lady Vivian; get her with child; and he can retire from his life of degradation.

Sir John Dewey Fanning (Jack to his familiars) is magistrate in a corner of Oxfordshire plagued by one incident of petty mischief after another. To add to his aggravation, his matchmaking mama is due for a prolonged visit, just when his domestic staff is at sixes and sevens. Jack turns to Miss Madeline Hennessey both to organize his household and to serve as his mother's temporary companion, despite the fact that he's long harbored feelings for the ever-competent (and lovely!) Miss Hennessey.

Gertrude, the eldest Killoran sister, has spent a lifetime being underestimated - especially by her own family. She may seem as vulnerable as a kitten, but given the chance, she can be as fierce as a tiger. Her adopted brother, Stephen, has just been snatched back by his true father, and she’ll be damned if she relinquishes the boy to the man reviled throughout London as the Mad Marquess.

For Christmas, soft-spoken Lady Jenny Windham craves the freedom to pursue her artistic ambitions, though it will mean scandalizing her ducal parents and abandoning all hope of a family of her own. She confides her plans to successful artist Elijah Harrison when he's commissioned to paint a portrait of her small nephews, because assisting Elijah will bring Jenny that much closer to her heart's desire - won't it?

Lady Eve's got the perfect plan. Pretty, petite Evie Windham has been more indiscreet than her parents, the Duke and Duchess of Moreland, suspect. Fearing that a wedding night would reveal her past, she's running out of excuses to dodge adoring swains. Lucas Denning, the newly titled Marquis of Deene, has reason of his own for avoiding marriage. So Evie and Deene strike a deal, each agreeing to be the other's decoy.

Gareth’s sole bequest is an old family diary, which may or may not contain the secrets of his past...and the key to his future. The problem is - it’s written in Italian, of which Gareth speaks not a word. To Hyacinth, Gareth’s every word seems a dare, and she offers to translate his diary, even though her Italian is slightly less than perfect. But as they delve into the mysterious text, they discover that the answers they seek lie not in the diary, but in each other...and that there is nothing as simple - or as complicated - as a single, perfect kiss.