English girl Ellie is a "fish out of water" when she arrives in sunny Florida for a vacation with her aunt at a luxury beach resort. But she's barely dipped her toe in the ocean before she stumbles on a sinister murder. Now, Ellie must battle sunburn, jet lag and a cheeky parrot named Hemingway, while trying to unravel the mystery.

Annabel Hayes—born, baptized, and orphaned in the sleepy conservative town of Dayton, Tennessee—is thrilled to find herself falling quickly and deeply in love with George Craig, a sophisticated attorney newly arrived from Knoxville. But before the end of their first year of marriage, their lives are beset by losses. The strain on their relationship is only intensified when John T. Scopes is arrested for teaching Charles Darwin’s theory of evolution at the local high school.

Virginia, 1864—Libby Steadman’s husband has been away for so long that she can barely conjure his voice in her dreams. While she longs for him in the night, fearing him dead in a Union prison camp, her days are spent running a gristmill with her teenage niece, a hired hand, and his wife, all the grain they can produce requisitioned by the Confederate Army. It’s an uneasy life in the Shenandoah Valley, the territory frequently changing hands, control swinging back and forth like a pendulum between North and South, and Libby awakens every morning expecting to see her land a battlefield.

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.

Kerry had different plans for her first high school party—like not going. All she wanted to do was stay home in the safety of retro rom-coms and her strict retainer schedule. Instead her BFF, fiercely outgoing mystery-fanatic Annie, has roped her into going to the party to investigate who’s cyberbullying Heather, the most popular girl in school. Finding herself getting close with her dreamy crush is odd enough, but when the two of them discover Heather’s second in command, Selena, suffocated with a menstrual cup, things get really weird.

Once upon a time, Dr. Emily Nichols—the academic kind, not the physician kind—was an eco-crusader who was shot with water cannons, hunted by poachers, and chased by a bulldozer. Now? Action Emily lives in a bland condo with gray walls and teaches disengaged students at a university alongside a risk-allergic boyfriend, asking herself every day: How did I get here?

Paulie Johansson has never put much stock in the idea of family: she has her long-term boyfriend Declan and beloved best friend Jemma, and that’s more than enough for her. Yet one night on a lark, she lets Jemma convince her to audition for Sverige och Mig, a show on Swedish television where Swedish-Americans compete to win the ultimate prize: a reunion with their Swedish relatives. Much to her shock, her drunken submission video wins her a spot on the show, and against Declan’s advice Paulie decides to go for it.

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).

Lenny Marks is excellent at not having a life. She bikes home from work at exactly 4pm each day, buys the same groceries for the same meals every week, and owns thirty-six copies of The Hobbit (currently arranged by height). The closest thing she has to a friendship is playing Scrabble against an imaginary Monica Gellar while watching Friends reruns. And Lenny Marks is very, very good at not remembering what happened the day her mother and stepfather disappeared when she was still a child. The day a voice in the back of her mind started whispering, You did this.

When Lydia takes a job running the Senior Citizens’ Social Club three afternoons a week, she assumes she’ll be spending her time drinking tea and playing gentle games of cards. The members of the Social Club, however, are not at all what Lydia was expecting. From Art, a failed actor turned kleptomaniac to Daphne, who has been hiding from her dark past for decades to Ruby, a Banksy-style knitter who gets revenge in yarn, these seniors look deceptively benign—but when age makes you invisible, secrets are so much easier to hide.

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.

London, 1921: Mabel Canning is proud to be a modern woman working for the Useful Women’s Agency, carrying out tasks for gentlewomen from flower arranging to washing muddy dogs. But when she answers the door for wealthy widow Rosalind Despard, she almost chokes on her cucumber sandwich when she finds a soldier’s body on the doorstep. As she offers tea to the policemen of Scotland Yard, Mabel can’t resist getting drawn into the investigation.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his seventy-fifth birthday. But when someone starts bumping off members of his scheming family, the old man enlists his teenage grandson to help find the killer, before one of them is next.

Dorothy Graham is dead, which is inconvenient, not least for her. Luckily, she has planned for this eventuality. Now, if any of the truly dreadful people she is related to want to get their hands on her money, they’re going to have to do so via a fiendish difficult and frankly bizarre competition of Dorothy’s devising. After all, just because you’re dead, it doesn’t mean you can’t enjoy a last laugh at the expense of people who made your life miserable.

Frances Wynn, the American-born Countess of Harleigh, enjoys more freedom as a widow than she did as a wife. After an obligatory year spent mourning her philandering husband, Reggie, she puts aside her drab black gowns, leaving the countryside and her money-grubbing in-laws behind. With her young daughter in tow, Frances rents a home in Belgravia and prepares to welcome her sister, Lily, arriving from New York - for her first London season.

Teetapur, an unassuming village just a few hours outside of bustling Delhi, is famous for nothing—until one of its children, eight-year-old Munia, is found dead, hanging from the branch of a Jamun tree. In the largely Hindu village, suspicion quickly falls on an itinerant Muslim man, Mansoor. Suspicion ignites like wildfire, fueled by religious tensions that simmer beneath the surface.

Marshall Miller would’ve remembered her face even if he hadn’t seen it on a MISSING poster. When a young woman disappears in his small town, the investigation hinges on Marshall’s haunted sighting of her, crying in the back seat of a police car driven by a cop named Maddox. There’s only one problem: no local cop named Maddox exists. But the speeding ticket he handed to Marshall certainly does.

Pony has been passed from owner to owner for longer than he can remember. Fed up, he busts out and goes on a cross-country mission to reunite with Penny, the little girl whom he was separated from and hasn’t seen in years. Penny, now an adult, is living an ordinary life when she gets a knock on her door and finds herself in handcuffs, accused of murder and whisked back to the place she grew up. Her only comfort when the past comes back to haunt her are the memories of her precious, rebellious pony.

Nina and Simon are the perfect couple. Young, fun and deeply in love. Until they leave for a weekend at his family’s cabin in Vermont, and only Simon comes home.

It’s been twenty years since Detective Chelsey Calhoun’s sister vanished when they were teenagers, and ever since she’s been searching: for signs, for closure, for other missing girls. But happy endings are rare in Chelsey’s line of work. Then a glimmer: local teenager Ellie Black, who disappeared without a trace two years earlier, has been found alive in the woods of Washington State. But something is not right with Ellie. She won’t say where she’s been, or who she’s protecting, and it’s up to Chelsey to find the answers.