Victorian adventuress and butterfly hunter Veronica Speedwell receives an invitation to visit the Curiosity Club, a ladies-only establishment for daring and intrepid women. There she meets the mysterious Lady Sundridge, who begs her to take on an impossible task - saving society art patron Miles Ramsforth from execution. Accused of the brutal murder of his artist mistress Artemisia, Ramsforth will face the hangman's noose in a week's time if Veronica cannot find the real killer. But Lady Sundridge is not all that she seems.

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.

Victorian adventuress Veronica Speedwell is whisked off to a remote island off the tip of Cornwall when her natural historian colleague Stoker's brother calls in a favor. On the pretext of wanting a companion to accompany him to Lord Malcolm Romilly's house party, Tiberius persuades Veronica to pose as his fiancée. But upon arriving, it becomes clear that the party is not as innocent as it had seemed. Every invited guest has a connection to Romilly's wife, Rosamund, who disappeared on her wedding day three years ago, and a dramatic dinner proves she is very much on her husband's mind.

Autumn 1888. Veronica Speedwell and her colleague Stoker are asked by Lady Wellingtonia Beauclerk to stop a potential scandal so explosive it threatens to rock the monarchy. Prince Albert Victor is a regular visitor to the most exclusive private club in London, and the proprietress, Madame Aurore, has received an expensive gift that can be traced back to the prince. Lady Wellie would like Veronica and Stoker to retrieve it from the club before scandal can break.

January 1889. As the newest member of the Curiosity Club - an elite society of brilliant, intrepid women - Veronica Speedwell is excited to put her many skills to good use. As she assembles a memorial exhibition for pioneering mountain climber Alice Baker-Greene, Veronica discovers evidence that the recent death was not a tragic climbing accident but murder.

As "Sherlock Holmes, consulting detective," Charlotte Holmes has solved murders and found missing individuals. But she has never stolen a priceless artwork - or rather, made away with the secrets hidden behind a much-coveted canvas. But Mrs. Watson is desperate to help her old friend recover those secrets and Charlotte finds herself involved in a fever-paced scheme to infiltrate a glamorous Yuletide ball where the painting is one handshake away from being sold and the secrets a bare breath from exposure.

Inspector Treadles, Charlotte Holmes’ friend and collaborator, has been found locked in a room with two dead men, both of whom worked with his wife at the great manufacturing enterprise she has recently inherited. Rumors fly. Had Inspector Treadles killed the men because they had opposed his wife’s initiatives at every turn? Had he killed in a fit of jealous rage because he suspected Mrs. Treadles of harboring deeper feelings for one of the men? To make matters worse, he refuses to speak on his own behalf, despite the overwhelming evidence against him. 

A most unexpected client shows up at Charlotte Holmes' doorstep: Moriarty himself. Moriarty fears that tragedy has befallen his daughter and wants Charlotte to find out the truth. Charlotte and Mrs. Watson travel to a remote community of occult practitioners where Moriarty's daughter was last seen, a place full of lies and liars. Meanwhile, Charlotte’s sister, Livia, tries to make sense of a mysterious message from her beau, Mr. Marbleton. And Charlotte’s longtime friend and ally, Lord Ingram, at last turns his seductive prowess on Charlotte - or is it the other way around?

Let the wicked be ashamed, and let them be silent in the grave. These ominous words, slashed from the pages of a book of Psalms, are the last threat that the darling of London society, Sir Edward Grey, receives from his killer. Before he can show them to Nicholas Brisbane, the private inquiry agent he has retained for his protection, Sir Edward collapses and dies at his London home, in the presence of his wife, Julia, and a roomful of dinner guests.

Seventeen-year-old Audrey Rose Wadsworth was born a lord's daughter, with a life of wealth and privilege stretched out before her. But between the social teas and silk dress fittings, she leads a forbidden secret life. Against her stern father's wishes and society's expectations, Audrey often slips away to her uncle's laboratory to study the gruesome practice of forensic medicine. Audrey's work on a string of savagely killed corpses drags her into the investigation of a serial murderer.

Audrey Rose Wadsworth and her partner-in-crime-investigation, Thomas Cresswell, are en route to New York to help solve another blood-soaked mystery. Embarking on a week-long voyage across the Atlantic on the opulent RMS Etruria, they're delighted to discover a traveling troupe of circus performers, fortune tellers, and a certain charismatic young escape artist entertaining the first-class passengers nightly. But then, privileged young women begin to go missing without explanation, and a series of brutal slayings shocks the entire ship.

There's trouble brewing at the Village Blend. Business is booming--but Clare's customers are starting to die. Soon after stopping at the coffeehouse, a regular jumps to her death in the subway. Or was she pushed? Detective Quinn is convinced that someone has an axe to grind, especially after the "suicide" of another female customer. Unfortunately, his prime suspect is Bruce Bowman--the new man in Clare's life. Bruce is the perfect blend of rugged good looks and potent personality.

To Clare Cosi's surprise, this fall's hottest fashion trend is anything caffeinated - because designer Lottie Harmon, a loyal coffeehouse customer, has just created an ingenious collection of coffee-inspired fashion accessories. So naturally Lottie chooses the Village Blend as the perfect backdrop for fall Fashion Week insiders to view her new line of "Java Jewelry." When barista Tucker unwittingly serves a poisonous latte to a prominent figure on the fashion scene, Clare suspects that the real target may have been Lottie. Now she must protect her thriving business, Lottie, and Tucker....

Inspector Witherspoon always triumphs...but how does he do it? Even the inspector himself doesn't know - because his secret weapon is as ladylike as she is clever. She's Mrs. Jeffries: the determined, delightful detective who is also Inspector Witherspoon's housekeeper.

Lady Julia Grey travels through India, accompanied by her sister, Portia, her brother, Plum, and occasionally her husband - Brisbane. Along the way, Portia becomes convinced of a murder, and all four are pulled into the dark underbelly of 19th-century India....