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.

Steve Wheeler is enjoying retired life. He does the odd bit of investigation work, but he prefers his familiar habits and routines: the pub quiz, his favorite bench, his cat waiting for him when he comes home. His days of adventure are over: adrenaline is daughter-in-law Amy’s business now. Amy Wheeler thinks adrenaline is good for the soul. As a private security officer, she doesn’t stay still long enough for habits or routines. She’s currently on a remote island keeping world-famous author Rosie D’Antonio alive. Which was meant to be an easy job...

Richard is a middle-aged Englishman who runs a B&B in the fictional Val de Follet in the Loire Valley. Nothing ever happens to Richard, and really that’s the way he likes it. One day, however, one of his older guests disappears, leaving behind a bloody handprint on the wallpaper. Another guest, the exotic Valérie, persuades a reluctant Richard to join her in investigating the disappearance. Richard remains a dazed passenger in the case until things become really serious and someone murders Ava Gardner, one of his beloved hen...and you don’t mess with a fellow’s hens!

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.

After losing his leg to a land mine in Afghanistan, Cormoran Strike is barely scraping by as a private investigator. Strike is down to one client, creditors are calling, and after a breakup with his longtime girlfriend, he’s living in his office. Then John Bristow walks through his door with a shocking story: His sister, the legendary supermodel Lula Landry - known to her friends as the Cuckoo - famously fell to her death a few months earlier.

When Buddhist butler Helen Thorpe is loaned out to help Cartier Hightower get her life in order, Helen finds herself working for a young woman entirely unbound by the fetters of good taste or sound judgment. One of Cartier’s fellow content creators has recently died in a strange accident. Soon after Helen arrives, another is killed in an equally bizarre way. Cartier begins to drag Helen around on the influencer circuit, where neither of them is particularly welcome.

Detective Sergeant Chris Waters got the call at 05.29 that July morning. This is it, said DCI Reeve, you'll be first there, it's all yours, you're the crime scene manager. Suddenly, after months of waiting and wondering, Waters finds himself in at the deep end, and alone at the scene of a puzzling murder. As the investigation proceeds, the detectives at Kings Lake Central find themselves visiting familiar places and talking to some familiar faces, while old enmities reappear in the incident room. Before this is over, Chris Waters will need to make a career-changing decision.

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.

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.

When Brian Foley is charged with the murder of his next-door neighbour, the fastidious Arthur Cranham, it seems the case against the blustering showman is cut and dried: prints, DNA, CCTV footage - there can't be any doubt. After all - Brian and Arthur have famously been at war for years. But Jack and Sarah are convinced that the police have it wrong. With time running out, can they prove Brian's innocence and find the real killer? Set in the sleepy English village of Cherringham, the detective series brings together an unlikely sleuthing duo: English web designer Sarah and American ex-cop Jack.

India Allwood grew up wanting to be an actor. Armed with a stack of index cards (for research/line memorization/make-shift confetti), she goes from awkward sixteen-year-old to Broadway ingenue to TV superhero. Her new movie is a prestige picture about adoption, but its spin is the same old tired story of tragedy. India is an adoptive mom in real life though. She wants everyone to know there’s more to her family than pain and regret. So she does something you should never do—she tells a journalist the truth: it’s a bad movie.

Geoffrey Lushington, Mayor of Marlow, dies suddenly during a Town Council meeting. When traces of aconite—also known as the queen of poisons—are found in his coffee cup, the police realize he was murdered. But who did it? And why? The police bring Judith, Suzie and Becks in to investigate as Civilian Advisors right from the start, so they have free rein to interview suspects and follow the evidence to their heart’s content, which is perfect because Judith has no time for rules and standard procedure. But this case has the Marlow Murder Club stumped.

Cal Hooper thought a fixer-upper in a bucolic Irish village would be the perfect escape. After 25 years in the Chicago police force and a bruising divorce, he just wants to build a new life in a pretty spot with a good pub where nothing much happens. But when a local kid whose brother has gone missing arm-twists him into investigating, Cal uncovers layers of darkness beneath his picturesque retreat, and starts to realize that even small towns shelter dangerous secrets.

In the spring of 2020, Lara’s three daughters return to the family's orchard in Northern Michigan. While picking cherries, they beg their mother to tell them the story of Peter Duke, a famous actor with whom she shared both a stage and a romance years before at a theater company called Tom Lake. As Lara recalls the past, her daughters examine their own lives and relationship with their mother, and are forced to reconsider the world and everything they thought they knew.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.