In a peaceful retirement village, four unlikely friends meet weekly in the Jigsaw Room to discuss unsolved crimes; together, they call themselves the Thursday Murder Club. When a local developer is found dead with a mysterious photograph left next to the body, the Thursday Murder Club suddenly find themselves in the middle of their first live case.

Everyone in my family has killed someone. Some of us, the high achievers, have killed more than once. I’m not trying to be dramatic, but it is the truth. Some of us are good, others are bad, and some just unfortunate. I’m Ernest Cunningham. Call me Ern or Ernie. I wish I’d killed whoever decided our family reunion should be at a ski resort, but it’s a little more complicated than that.

High-powered businesswoman Lana Rubicon has a lot to be proud of: her keen intelligence, impeccable taste, and the L.A. real estate empire she’s built. But when she finds herself trapped 300 miles north of the city, convalescing in a sleepy coastal town with her adult daughter Beth and teenage granddaughter Jack, Lana is stuck counting otters instead of square footage—and hoping that boredom won’t kill her before the cancer does.

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.

Andie Stern thought she'd solved her final homicide. Once a budding FBI profiler, she gave up her career to raise her four (soon to be five) children in West Windsor, New Jersey. But one day, between soccer games, recitals, and trips to the local pool, a very pregnant Andie pulls into a gas station—and stumbles across a murder scene. An attendant has been killed, and the local cops are in over their heads. Suddenly, Andie is obsessed with the case, and back on the trail of a killer, this time with kids in tow.

After Tova Sullivan’s husband died, she began working the night shift at the Sowell Bay Aquarium, mopping floors and tidying up. Keeping busy has always helped her cope, which she’s been doing since her eighteen-year-old son, Erik, mysteriously vanished on a boat in Puget Sound over thirty years ago. Tova becomes acquainted with curmudgeonly Marcellus, a giant Pacific octopus living at the aquarium. Marcellus knows more than anyone can imagine but wouldn’t dream of lifting one of his eight arms for his human captors—until he forms a remarkable friendship with Tova.

Alex Green is a young girl in a world much like ours, except for its most seminal event: the Mass Dragoning of 1955, when hundreds of thousands of ordinary wives and mothers sprouted wings, scales, and talons; left a trail of fiery destruction in their path; and took to the skies. Was it their choice? What will become of those left behind? Why did Alex’s beloved aunt Marla transform but her mother did not? Alex doesn’t know. It’s taboo to speak of.

In the sleepy village of Cookingdean, Dr Nell Ward is busy working in the grounds of a local manor house. Whilst inspecting an old tunnel, she did not expect to overhear a murder. As the only person with any clues as to what happened, Nell soon finds herself in the middle of the investigation. Desperate to clear her name Nell, along with her colleague Adam, set out solving the murder using their skills as ecologists to uncover details no one else would notice. But it soon becomes clear that playing Agatha Christie is much harder than it might, at first appear.

When retired nurse Frannie Greene moves into a senior living apartment, she finds a compelling friendship with her new neighbor Katherine—only to discover that Katherine is married to the judge Frannie believes is implicated in the death of her beloved granddaughter. Observing the medication cart sparks Frannie’s darkest imagination, and her desire for revenge combines with her medical expertise. In one dreadful, impulsive moment, she tampers with the medicine. However, the next day, someone is dead, and Frannie realizes the gravity of what she’s done.

The ornate reading room at the Boston Public Library is quiet—until the tranquility is shattered by a woman's terrified scream. Security guards take charge immediately, instructing everyone inside to stay put until the threat is identified and contained. While they wait for the all-clear, four strangers, who'd happened to sit at the same table, pass the time in conversation, and friendships are struck. Each has his or her own reasons for being in the reading room that morning—it just happens that one is a murderer.

Still spinning from the hustle and bustle of city life, Jodie ‘Nosey’ Parker is glad to be back in the Cornish village she calls home. Having quit the Met Police in search of something less dangerous, the change of pace means she can finally start her dream catering company and raise her daughter, Daisy, somewhere safer. But there’s nothing quite like having your first job back at home be catering an ex-boyfriend’s wedding to remind you of just how small your village is.

As England prepares to fight the Nazis, three very different women answer the call to mysterious country estate Bletchley Park, where the best minds in Britain train to break German military codes. Vivacious debutante Osla is the girl who has everything - beauty, wealth, and the dashing Prince Philip of Greece sending her roses - but she burns to prove herself as more than a society girl, and puts her fluent German to use as a translator of decoded enemy secrets.

Judith Potts is 77 years old and blissfully happy. She lives on her own in a faded mansion just outside Marlow, there’s no man in her life to tell her what to do or how much whisky to drink, and to keep herself busy she sets crosswords for The Times newspaper. One evening, while out swimming in the Thames, Judith witnesses a brutal murder. The local police don’t believe her story, so she decides to investigate for herself and is soon joined in her quest by Suzie, a salt-of-the-earth dog-walker, and Becks, the prim and proper wife of the local vicar.

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.

Harry Booth started stealing at nine to keep a roof over his ailing mother’s head, slipping into luxurious, empty homes at night to find items he could trade for precious cash. When his mother finally succumbed to cancer, he left Chicago—but kept up his nightwork, developing into a master thief with a code of honor and an expertise in not attracting attention—or getting attached.

After more than a year of laying low, Billie, Helen, Mary Alice, and Natalie are called back into action. They have enjoyed their time off, but the lack of excitement is starting to chafe: a professional killer can only take so many watercolor classes and yoga sessions without itching to strangle someone...literally. When they receive a call from the head of the elite assassin organization known as the Museum, they are ready tackle the greatest challenge of their careers.

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.

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.

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.

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.

After her life was turned upside down by solving the murder of her best friend, Sister Amity Gay, all Glory Brousard wanted was a little peace and quiet. That included getting back to her Sunday morning routine as a bookie in a coffee shop, and planning the annual Mardi Gras gala for her church. But there’s no rest for Glory once the woman who broke up her marriage walks in to CC's Coffee House and asks for help finding her missing husband. It doesn’t take long before Glory finds him . . . with a knife impaled in his chest.

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.

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.

In the sleepy village of Cookingdean, Dr Nell Ward is busy working in the grounds of a local manor house. Whilst inspecting an old tunnel, she did not expect to overhear a murder. As the only person with any clues as to what happened, Nell soon finds herself in the middle of the investigation. Desperate to clear her name Nell, along with her colleague Adam, set out solving the murder using their skills as ecologists to uncover details no one else would notice. But it soon becomes clear that playing Agatha Christie is much harder than it might, at first appear.

High-powered businesswoman Lana Rubicon has a lot to be proud of: her keen intelligence, impeccable taste, and the L.A. real estate empire she’s built. But when she finds herself trapped 300 miles north of the city, convalescing in a sleepy coastal town with her adult daughter Beth and teenage granddaughter Jack, Lana is stuck counting otters instead of square footage—and hoping that boredom won’t kill her before the cancer does.

Jo Jones has always had a little trouble fitting in. As a neurodivergent, hyperlexic book editor and divorced New Yorker transplanted into the English countryside, Jo doesn’t know what stands out more: her Americanisms or her autism. After losing her job, her mother, and her marriage all in one year, she couldn’t be happier to take possession of a possibly haunted (and clearly unwanted) family estate in North Yorkshire. But when the body of the moody town groundskeeper turns up on her rug with three bullets in his back, Jo finds herself in potential danger—and she’s also a potential suspect.

Finlay Donovan is killing it...except, she’s really not. The new book she promised her literary agent isn’t written, her ex-husband fired the nanny without telling her, and this morning she had to send her four-year-old to school with hair duct-taped to her head.

It has been an eventful morning for Agnes Sharp and the other inhabitants of Sunset Hall, a house share for the old and unruly in the sleepy English countryside. Although they have had some issues (misplaced reading glasses, conflicting culinary tastes, decreasing mobility, and unruly grandsons), nothing prepares them for an unexpected visit from a police officer with some shocking news. A body has been discovered next door. Everyone puts on a long face for show, but they are secretly relieved the body in question is not the one they’re currently hiding in the shed (sorry, Lillith).

Cherringham - a quiet town in the Cotswolds. Nothing ever happens there, or so it seems - until one morning a woman's body is found in the river. A terrible accident, according to the police. But is this true? Sarah believes there must be more to it. In Jack, a former NYPD homicide detective, she finds a partner who is willing to start investigating with her. They soon find out that things are not as clear as the police want them to be ... This first - of many cases brings Sarah and Jack together in an unlikely partnership.

When Cyra Griffin’s younger sister is murdered by a serial killer, Cyra knows better than to expect justice from the hands of the police department. With the investigation already dying its own slow death, Cyra follows the blood trail and finds her own way forward. Using insider information (don’t ask), Cyra infiltrates a support group for serial killers by pretending to be one herself in the hopes of finding the person who ended her sister’s life. Proving herself to them comes at a cost, but it’s one Cyra is willing to pay in the name of revenge.