New York City, 1910. Invisible until she’s needed, Jane Prescott has perfected the art of serving as a ladies’ maid to the city’s upper echelons. Then she takes up a position with the Benchley family, dismissed by the city’s elite as "new money". The Benchleys cause further outrage when their daughter Charlotte becomes engaged to notorious playboy Norrie, the son of the eminent Newsome family. But when Norrie is found murdered at a party, Jane discovers she is uniquely positioned - she’s a woman no one sees, but who witnesses everything - and therefore has the tools to solve his murder.

June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot at the hotel. Soon, rumors are flying in the cozy town that someone is on the hunt for a stolen ruby. A ruby that Kitty’s mother may well have possessed when she herself went missing during the Great War.

When the most famous toddler in America, Charles Lindbergh, Jr., is kidnapped from his family home in 1932, the case makes international headlines. Already celebrated for his flight across the Atlantic, his father, Charles, Sr., is the country’s golden boy, with his wealthy, lovely wife, Anne Morrow Lindbergh, by his side. But there’s someone else in their household—Betty Gow, a formerly obscure young woman, now known around the world by another name: the Lindbergh Nanny. Betty must find the truth in order to clear her own name—and to find justice for the child she loves.

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.

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

Spring, 1905: Free-spirited like the Thoroughbreds she rides across the Kentucky countryside, Stella takes adventure by the reins when she's asked to attend a mysterious wedding in rural England. But once she arrives at the lush Morrington Hall estate, her cold and ambitious father confesses that he won't only give away his best racehorses as gifts - he has also arranged to give away his daughter as bride to the Earl of Atherly's financially strapped son. Stella refuses to be sold off like a prized pony. Yet despite a rough start, there's something intriguing about her groom-to-be.

At the end of her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

Clare Cosi used to manage the historic Village Blend coffeehouse…until she opted for quieter pastures and a more suburban life. But after ten years and a little friendly cajoling from the owner (a fresh pot of Jamaican Blue Mountain was all it took), she's back to the grind. With a sprawling rent-free apartment directly above the Village Blend, her cat Java by her side, and plenty of coffeehouse redecorating ideas, Clare is thrilled to return to work. Until she discovers the assistant manager unconscious in the back of the store, coffee grounds strewn everywhere.

A modern woman in 1907, Lady Dunbridge is not about to let a little thing like the death of her husband ruin her social life. She's ready to take the dazzling world of Gilded Age Manhattan by storm. From the decadence of high society balls to the underbelly of Belmont horse racing, romance, murder, and scandals abound. Someone simply must do something. And Lady Dunbridge is happy to oblige.

Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....

Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.

The Earl of Wrexford possesses a brilliant scientific mind, but boredom and pride lead him to reckless behavior. He does not suffer fools gladly. So when pompous, pious Reverend Josiah Holworthy publicly condemns him for debauchery, Wrexford unsheathes his rapier-sharp wit and strikes back. As their war of words escalates, London's most popular satirical cartoonist, A. J. Quill, skewers them both.

The year is 1920: Flying in the face of convention, legendary American adventuress Beryl Helliwell never fails to surprise and shock. The last thing her adoring public would expect is that she craves some peace and quiet. The humdrum hamlet of Walmsley Parva in the English countryside seems just the ticket. And, honestly, until America comes to its senses and repeals Prohibition, Beryl has no intention of returning stateside and subjecting herself to bathtub gin.

Electra McDonnell has always known that the way she and her family earn their living is slightly outside of the law. Breaking into the homes of the rich and picking the locks on their safes may not be condoned by British law enforcement, but World War II is in full swing, Ellie's cousins, Colm and Toby, are off fighting against Hitler, and Uncle Mick's more honorable business as a locksmith can't pay the bills anymore. So when Uncle Mick receives a tip about a safe full of jewels in the empty house of a wealthy family, he and Ellie can’t resist.

Current day, Oxford, England. Young American scholar Kendra Van Zant, eager to pursue her vision of a perfect life, interviews Isabel McFarland just when the elderly woman is ready to give up secrets about the war that she has kept for decades...beginning with who she really is. What Kendra receives from Isabel is both a gift and a burden--one that will test her convictions and her heart.