Gregory Dinard, a young and inexperienced duke, finds himself in need of a companion to help him navigate the intricacies of his new role. Uncertain of his abilities and unwilling to take a chance at love, he looks for a marriage of mutual benefit rather than a match of mutual affection.

Silas Riley, Earl of Inglewood, is known among his peers in Parliament as the man made of stone. As a wealthy peer, there are few he trusts with his friendship. He guards his heart and his honor with vigilance, and when an accident nearly takes his life, he’s faced with a situation which threatens his standing in society.

After years of escaping etiquette lessons in favor of the stables, Christine Devon's grand debut in London is only weeks away, though her deportment lacks the sophisticated polish she needs to achieve her goals of a lofty marriage. Desperate to take her place in society, she needs someone to instruct her in proper behavior. Thomas Gilbert, newly returned from Italy, is ready to begin his dream of founding a horse farm. But during his time away, the estate's finances have dwindled to almost nothing. A chance meeting between them may solve both their problems.

When their father's death leaves them impoverished, Sarah Summers and her genteel sisters fear they will be forced to sell the house and separate to earn livelihoods as governesses or companions. Determined to stay together, Sarah convinces them to open their seaside home to guests to make ends meet and provide for their ailing mother. Instead of the elderly invalids they expect to receive, however, they find themselves hosting eligible gentlemen. Sarah is soon torn between a growing attraction to a mysterious Scottish widower and duty to her family.

Lady Philippa must wed to gain her fortune and freedom. A former soldier wants only peace and seclusion. Marriage to each other is their best solution. While the two put on a show of marital happiness for their neighbors, both realize they want much more from this arrangement. Can they take a marriage of convenience and turn it into a love match? 

Captain Charles Bassington of the 13th Light Dragoons is famed for his good luck, high spirits, and devil-may-care attitude. He escapes serious injury at Waterloo only to succumb to an inflammation of the lungs. When he returns home to recuperate, cracks begin to appear in his cheery façade. It is only when two eminently eligible bachelors appear to be vying for the hand of his childhood friend, Lady Selena Sheringham, that Charles realizes his heart’s desire. But how can the younger son of a baron ever hope to be worthy of the wealthy daughter of an earl?

Margaret Easton needs a husband, and she needs one now. Her parents are convinced that only a European will do, but Margaret wants nothing more than to stay in England. The trouble is that there is only one man Margaret can think of, or rather, one she cannot forget, and he wouldn’t do as a husband at all. Then she finds herself in his care unexpectedly, and her hunt becomes even more complicated than she could have ever imagined.

A third son to an earl, Adam Gillensford knows his only hope of an inheritance is through his great uncle. But when the Will is read, Adam learns most of the wealth has been left to a complete stranger, and a seamstress at that. If he hopes to salvage any kind of funds for himself, he has two choices: adhere to his late uncle’s wishes and assist the new heiress in finding her way, or sabotage her so the courts will find her unfit to inherit. Deciding his course would be easier if the heiress wasn’t so enchanting.

Miss Adeline Hayes is the perfect lady’s companion: pleasant, conversational, and unceasingly proper. But when her closest friend, Charity Edgeworth, breaks off her arranged marriage without explanation, even Adeline’s superior skills are put to the test. Charity’s father banishes the two young women to the country, sending Adeline with a charge to find Charity a husband - or suffer dire consequences. 

Despite living at her father’s inn her entire life, Elizabeth Doyle has always managed to avoid involvement with the smugglers who frequently gather there. Until now. When a handsome smuggler is brought to her with dire injuries, Elizabeth risks everything to hide him - completely unaware that the wounded man is not who he appears to be. When an opportunity arises to infiltrate the notorious smuggling gang he believes caused his father’s death, Jonas Ainsworth, the Viscount Langton, pretends to be one of them. 

London, 1885. Amelie Hampton is a hopeless romantic, which makes her the perfect columnist to answer lonely heart letters in The Marriage Gazette. When Amelie plays matchmaker with two anonymous lonely hearts, she also decides to secretly observe the couple’s blind date. To her surprise, the man who appears for the rendezvous is Harold Radcliffe - a grieving widower and a member of Amelie’s book club.

When faced with an unwanted marriage, Alice Rosemeyer accepts an invitation to the estate of Larkhall. Determined to earn her future security without a husband, she begins operating as the anonymous Ace of Hearts, writing letters and offering advice on behalf of the men eager to secure a match at the close of the London season. If she can manage to keep her identity secret, her reputation intact, and avoid the arrogant house guest, Mr. Thomas Herring, she might just call herself successful.

Marion Watt is set to embark on her first London Season, and her parents have spared no expense to help her secure a suitable husband. Unlike most of the social-climbing young women in her position, Marion has no desire to marry hastily or for anything less than love. But when she learns of her mother’s declining health, she knows she must keep an open mind and allow herself to be courted.

Miss Amelia Fleming has a very good reason to hate the Earl of Langley. A year ago, her father drowned in the Thames after losing a fortune to Langley at cards. Now her family is broke, her fiance has broken their engagement, and the debt still hasn't been paid. Someone has to deal with the earl, but Amelia's brother doesn't have the nerve and her mother has fled to France. It's no business for a gently bred young lady, but the Earl of Langley is about to learn that Amelia Fleming is not your typical young lady . . .

Miss Dinah Ashmore has a problem: her sister has gone missing, and the constable isn’t taking it seriously. She decides to take matters into her own hands by hiring a Bow Street Runner, not understanding the danger she has put herself in. Nathaniel Calvert, Earl of Hawthorne, is an agent of the Crown. His assignment is to root out a radical group and bring them to justice. When Miss Ashmore mistakes him as a Bow Street Runner and explains her plight, he suspects that the missing sister might be connected to his case.