With a modest inheritance and the three gowns that comprise her entire wardrobe, Theodora leaves Edinburgh—and a disappointed suitor—far behind. She is bound for Romania, where tales of vampires are still whispered, to visit an old friend and write the book that will bring her true independence. She arrives at a magnificent, decaying castle in the Carpathians, replete with eccentric inhabitants, including the castle’s master, Count Andrei Dragulescu.

As the city prepares to celebrate Queen Victoria's golden jubilee, Veronica Speedwell is marking a milestone of her own. After burying her spinster aunt, the orphaned Veronica is free to resume her world travels in pursuit of scientific inquiry - and the occasional romantic dalliance. As familiar with hunting butterflies as she is fending off admirers, Veronica wields her butterfly net and a hatpin with equal aplomb, and with her last connection to England gone, she intends to embark upon the journey of a lifetime.

Billie, Mary Alice, Helen, and Natalie have worked for the Museum, an elite network of assassins, for 40 years. Now their talents are considered old-school and no one appreciates what they have to offer in an age that relies more on technology than people skills.

On the verge of a stilted life as an aristocrat's wife, Poppy Hammond does the only sensible thing - she flees the chapel in her wedding gown. Assisted by the handsome curate who calls himself Sebastian Cantrip, she spirits away to her estranged father's quiet country village, pursued by the family she left in uproar. But when the dust of her broken engagement settles and Sebastian disappears under mysterious circumstances, Poppy discovers there is more to her hero than it seems.

Famed aviatrix Evangeline Starke never expected to see her husband, adventurer Gabriel Starke, ever again. They had been a golden couple, enjoying a whirlwind courtship amid the backdrop of a glittering social set in prewar London until his sudden death with the sinking of the Lusitania. Five years later, beginning to embrace life again, Evie embarks upon a flight around the world, collecting fame and admirers along the way. In the midst of her triumphant tour, she is shocked to receive a mysterious - and recent - photograph of Gabriel.

The daughter of a scandalous mother, Delilah Drummond is already notorious, even among Paris society. But her latest scandal is big enough to make even her oft-married mother blanch. Delilah is exiled to Kenya and her favorite stepfather's savanna manor house until gossip subsides. Fairlight is the crumbling, sun-bleached skeleton of a faded African dream, a world where dissolute expats are bolstered by gin and jazz records, cigarettes and safaris. As mistress of this wasted estate, Delilah falls into the decadent pleasures of society.

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.

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

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.

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.

Twenty-six-year-old Beatrice Hyde-Clare is far too shy to investigate the suspicious death of a fellow guest in the Lake District. A spinster who lives on the sufferance of her relatives, she would certainly not presume to search the rooms of her host's son and his friend looking for evidence. Reared in the twin virtues of deference and docility, she would absolutely never think to question the imperious Duke of Kesgrave about anything, let alone how he chose to represent the incident to the local constable. And yet that's exactly what she does.

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.

India Steele is desperate. Her father is dead, her fiancé took her inheritance, and no one will employ her, despite years working for her watchmaker father. Indeed, the other London watchmakers seem frightened of her. Alone, poor, and at the end of her tether, India takes employment with the only person who’ll accept her–an enigmatic and mysterious man from America. A man who possesses a strange watch that rejuvenates him when he’s ill.

Minerva Peabody needs a man. Unfortunately she picked the wrong one. The impoverished playwright has a dream to see her plays performed on stage, but in Elizabethan England, not only are women considered the inferior sex, they simply do not write plays. Faced with rejection after rejection, she decides to take one more chance with the most desperate theater manager in London, only this time she’ll use the cover of a man. Sucked in by a pair of bright blue eyes and impressive shoulders, she chooses Blake out of the crowd, never thinking he’ll actually play an active role in her ruse.

For Emily, accepting the proposal of Philip, the viscount Ashton, was an easy way to escape her overbearing mother, who was set on a grand society match. So when Emily's dashing husband died on safari soon after their wedding, she felt little grief. After all, she barely knew him. Now, nearly two years later, she discovers that Philip was a far different man from the one she had married so cavalierly.