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.

Brighton, England, 1820. Amelia Moore wants only one thing - to secure the future happiness of her younger sister, Clara. With their stepfather’s looming death, the two sisters will soon be on their own - without family, a home, or a penny to their names. When an invitation arrives to join a house party at Lakeshire Park, Amelia grasps at the chance. If she can encourage a match between Clara and their host, Sir Ronald, then at least her sister will be taken care of.

When Felicity Thurston is caught alone with a man at a ball, she must marry him to avoid a ruined reputation. But what she doesn't know is that he's the brother of the man she loves.  

Mary Bloomfield has no illusions. Her chances for matrimony have long since passed. Still, her circumstances are pleasant enough, especially now that she has found purpose in assisting her father with his medical practice in England's beautiful Lake District. Even without love, it's a peaceful life. That is until Adam Edgerton returns to the sleepy district. This decorated war hero did not arrive home to acclaim and rest, but to a new battle against the repercussions of an insidious disease. 

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 . . .

Julia Cummings has long been acquainted with loss - her mother, her brother, her sister, her friend, all gone too soon. But the loss that pushed her grief to the limit as a young girl was that of her best friend, Lucas Jonquil, who abandoned her without looking back. Now, eight years later, Lucas has returned to Lampton Park, and Julia has steeled herself - she will never forgive the man who broke her heart.

Northern California girl Charlotte “Charlie” Lucas has two great loves: Diet Coke and Pride and Prejudice. But her passion for Regency classics is tempered by a very real fear: Charlie is terrified of having to endure the fate of her namesake—spinsterhood. Despite her best attempts to maintain a modern sensibility, she can’t say no when an elderly neighbor asks Charlie to attend a charity ball with her grandson. Blind date or not, Charlie is powerless to resist the allure of a real-life ball. Soon it’s clear that she will struggle to resist the charms of her blind date too.

Orphaned cousins Jane and Lucilla, both 19, receive the exciting news that their guardian is at last allowing them to leave boarding school. But their rosy future is thwarted when they find he has made some bad investments and fled, leaving them with a cottage in the English countryside and a modest bank account.  

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? 

When Persephone Lancaster receives a marriage proposal from the ill-tempered Duke of Kielder, she refuses - and then reconsiders. The obscene sum of money he's offering Persephone would save her family from ruin. With her characteristic optimism, she travels to the far reaches of Northumberland to wed a greatly feared stranger. Lodged deep in a thick forest infested with wild dogs, the Duke's castle is as cold and forbidding as the Duke himself, a man with terrible scars on his body and his soul.

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.

In the eyes of London Society, Gillian Phelps is suitable enough. Though the ton whispers about her change of residence, any speculation remains just that: ballroom gossip. No one—not even the other Huntresses, the group of ladies she calls her dearest friends—knows that she is harboring a devastating family secret. Gillian has become adept at hiding the reality of her circumstances, but the close quarters of a house party will test her ability to conceal the crushing truth. And with so many people to deceive, the late arrival of another guest is a most unwelcome surprise.

If you can't join them, beat them. Marigold Cartwell has only one goal: to defeat her long-time rival on the archery field. She knows she can outshoot irritating, cynical Tristan Gates, but the local bowmen’s society—the one he belongs to—refuses to allow women to compete. Spurred on by their rejection, Marigold decides to start a new society. Naturally, it has only one rule: no men.

Isabelle Rackham knows she will not marry for love. Though arranged marriages have fallen out of fashion, hers has been settled for some time to combine the upper-middle-class wealth of her father’s coal mines with Alexander Osgood’s prospering Northern country textile mills. Though not a man prone to romantic gestures, Alexander is well known as an eligible bachelor. His good looks have turned more than one head, so Isabelle is content to think of herself as Alexander’s wife.

After five years of tracking and capturing spies on English soil, Philip Jonquil, Earl of Lampton, is in pursuit of his last quarry. But at a traveler’s inn, he encounters an unexpected and far more maddening foe: Sorrel Kendrick, a young lady who is strikingly pretty, shockingly outspoken, and entirely unimpressed with him. Indeed, Sorrel cannot believe the nerve of this gentleman, who rudely accuses her of theft and insults her feminine dignity. Doubly annoyed when they both end up at a party hosted by mutual friends, Philip and Sorrel privately declare war on one another.