Hidden away in rural Devonshire, Phyllida Satterthwaite has always been considered more odd than beautiful. But in London, her oddity has made her a sensation. Far worse, it’s caught the eye of the sinister Duke of Moreland - a notorious art collector obsessed with acquiring one-of-a-kind treasures. To escape the duke’s clutches, she’s going to need a little help. Captain Arthur Heywood’s days of heroism are long past. Grievously injured in the Peninsular War, he can no longer walk unaided, let alone shoot a pistol. What use can he possibly be to a damsel in distress?

When Miss Henrietta Dixon wants something, she finds a way to have it. When an incident in London sends her and her sister to Bath, she can think of no better opportunity to reunite her sister with the man she has always loved by inviting him to stay at the last available townhouse next door in the Royal Crescent. Her plan is coming along splendidly, until the earl of Guildford walks—or rather, saunters—into town, and steals it from under her nose.

At the end of his Grand Tour, somewhere between Athens and Constantinople, Christian Selwyn, the young Earl of Hazelmere, vanished—seemingly without trace. Time passes. In London, his uncle and cousin move into his home, while his unofficial fiancée, Sophia, is left desolate and in limbo.

Georgiana Allen is a spinster, and everybody knows it. She also happens to be one of the writers for the Spinster Chronicles, and everybody knows that, as well. She’s accepted her lot in life, and along with the other spinsters in her circle, takes great pride in the articles she writes and the influence she has. Then, Captain Anthony Sterling infiltrates their group and her life, and Georgie impossibly begins to hope, once more.

Lady Augusta Colebrook, “Gus,” is determinedly unmarried, bored by society life, and tired of being dismissed at the age of forty-two. She and her twin sister, Julia, who is grieving her dead betrothed, need a distraction. One soon presents itself: to rescue their friend’s goddaughter, Caroline, from her violent husband. The sisters set out to Caroline’s country estate with a plan, but their carriage is accosted by a highwayman. In the scuffle, Gus accidentally shoots and injures the ruffian, only to discover he is Lord Evan Belford, an acquaintance from their past.

As a young woman, Leah Penn-Leith fell hopelessly in love with Captain Fox Carnegie—the only irrational mark on her decidedly sensible life. Fox, unfortunately, did not return her regard. Their story should have ended there—Fox left for India and Leah returned home to Scotland to rear her much younger brothers. Twenty years later, Fox appears on Leah's doorstep—older, scarred, and world-weary—proposing a marriage of convenience between them.

England, 1920. Eleanor Swift has spent the last few years travelling the world: taking tea in China, tasting alligators in Peru, escaping bandits in Persia and she has just arrived in England after a chaotic 45-day flight from South Africa. Chipstone is about the sleepiest town you could have the misfortune to meet. But then, from the edge of a quarry, through the driving rain, Eleanor is shocked to see a man shot and killed in the distance. Before she can climb down to the spot, the villain is gone and the body has vanished.

As the London Daily Gazette’s popular gossip columnist, she is extremely adept at sneaking into houses, assuming disguises and overseeing a vast network of spies to ensure she stays abreast of the beau monde’s comings and goings. If it sometimes seems as though she was hiding behind the settee during a particularly fierce quarrel between a husband and his wife, it’s most likely because she was hiding behind the settee during their fierce quarrel.

A penniless maid determined to save her father, a broken baron bent on isolation, and the undeniable draw between them that could lead to happiness—or disaster.

Evie Harlow is quite content running the quaint little bookshop she inherited from her father…or so she convinces herself anyway. It might not bring in much money, it's not very exciting, and it's not a very good way to meet eligible men, but Evie's always thought she was destined for spinsterhood, a dull life, and hard work.

Left with an estate on the brink of bankruptcy after their father's death, Lady Marigold Fairfax and her brother open a private investigation firm marketed to the elite . . . to spy on the elite. Dubbed The Imposters, Ltd., their anonymous group soon becomes the go-to for the crème of society when they want answers delivered surreptitiously. But the many secrets Marigold learns about her peers pale in comparison to her shock when she and her brother are hired to investigate her best friend's father as a potential traitor.

Sophronia Lattimore had her romantic dreams destroyed years ago and is resigned to her role as chaperone for her cousin. Still, she cannot sit idly by when she becomes aware that a gentleman is about to propose to the wrong woman. She sends him an anonymous letter that is soon the talk of the town, particularly when her advice proves to be correct. Her identity is discovered and Sophie, formerly a wallflower, becomes sought after for her “expert” matchmaking skills.

Louisa Cox is tired of fortune hunters pursuing her dowry. So when Lady Kellen offers to help her find an eligible suitor, Louisa accepts and makes a list of what she wants in a husband. The man selected is barrister Paul Sheldon. He has one thing in his favor: he is unaware of her fortune. What Louisa did not anticipate was his curious behavior—or being so attracted to him. When Paul catches wind of the matchmaking organization his mother and her friends are establishing, he pities the fellow who will be caught in their scheme—until he realizes he is to be their first victim.

Tabitha, Lady Chesterton, the Countess of Pembroke, is newly widowed at only 22 years of age. With no son to inherit the title, it falls to a dashing, distant cousin of her husband's, Jeremy Chesterton, known as Wolf. It quickly becomes apparent that Wolf had consorted with some of London's most dangerous citizens before inheriting the title. Can he leave this world behind, or will shadowy figures from his past follow him into his new aristocratic life in Mayfair? And can Tabitha avoid being caught up in Wolf's dubious activities?

As England slides into Civil War, master-goldsmith and money-lender, Luciano Falcieri del Santi embarks on his own hidden agenda. A chance meeting one dark night results in an unlikely friendship with Member of Parliament, Richard Maxwell. Richard’s daughter, Kate - a spirited girl who vows to hold their home against both Cavalier and Roundhead - soon finds herself fighting an involuntary attraction to the clever, magnetic, and diabolically beautiful Italian.