Town pharmacist and local spinster Ave Maria has been keeping the secrets of Big Stone Gap for a long time, but now a skeleton is about to tumble from her own family closet.

Hidden in the depths of eighteenth-century London, a secret apothecary shop caters to an unusual kind of clientèle. Women across the city whisper of a mysterious figure named Nella who sells well-disguised poisons to use against the oppressive men in their lives. But the apothecary's fate is jeopardized when her newest patron, a precocious twelve-year-old, makes a fatal mistake, sparking a string of consequences that echo through the centuries. Meanwhile...

"Summoned to the riverside by the desperate, scribbled note of an old friend, Jem Flockhart and Will Quartermain find themselves onboard the seamen's floating hospital, an old hulk known only as The Blood, where prejudice, ambition, and murder seethe beneath a veneer of medical respectability. On shore, a young woman, a known prostitute, is found drowned in a derelict boatyard. A man leaps to his death into the Thames, driven mad by poison and fear....

When the principal physician for Angel Meadow Asylum is found brutally murdered, Jem Flockhart and Will Quatermain pursue the story through the darkest corners of London. From the depths of a notorious rookery, to brothels, gallows, graveyards and the convict fleet, Jem and Will find themselves caught up in a web of dark secrets and hidden identities.

Fulgencio Ramirez strives to succeed in America, break a mystical family curse, and win back Carolina Mendelssohn's love thirty years after their doomed youthful romance.

Frances Doughty turns detective when her father's customer dies of strychnine poisoning. Armed only with her wits and courage, Frances uncovers a startling deception as she solves a ten year old murder. Will Frances redeem her ailing father's reputation and save the business?

Dunia Ahmed lives an ordinary life--or she definitely used to. Now she's the subject of a true crime podcast. She's been missing for over a year, and no one knows if she's dead or alive. But her story has listeners obsessed, and people everywhere are sporting merch that demands "Find Dunia!" In the days before her disappearance, Dunia is a successful pharmacist living in New York. The daughter of Pakistani immigrants, she's coping with a broken engagement...

"Vintage cookware collector Jaymie Müller is stunned when an irate woman accuses her pharmacist friend Val of tampering with her prescription. When more unfounded accusations follow, it seems clear the woman has a personal grudge against Val. But before they can figure out why, Jaymie and Val stumble upon the woman's dead body on the steps of Val's pharmacy. Determined to find the clues that connect the woman's strange behavior to her death, Jaymie...