At Buckingham Palace, the autumn of 2016 presages uncertain times. The Queen must deal with the fallout from the Brexit referendum, a new female prime minister, and a tumultuous election in the United States - yet these prove to be the least of her worries when a staff member is found dead beside the palace swimming pool. Is it truly the result of a tragic accident, as the police think, or is something more sinister going on?

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. 

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. 

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.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his 75th 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. The mismatched duo must pick the culprit from a gaggle of preening playboys, scatter-brained spinsters, and irate inspectors in this Agatha-Christie-style whodunnit that will have you racing to spot the killer. 

It's party time in Bunburry! The deluxe Magnolia Inn is hosting surprise birthday celebrations for Bunburry's favourite senior citizens, Liz and Marge. But the party is not the only surprise. A glamorous widow, Francesca Fairfax Adams, is staying in the Magnolia Inn, and catches the eye of self-made man and amateur sleuth Alfie McAlister.

It’s 1959 and a new killer haunts the streets of London, having baffled Scotland Yard. The newspapers call him The Florist because of the rose he brands on his victims. The police have turned yet again to the Inquirers at Miss Brickett’s for assistance, and second year Marion Lane is assigned the case.

When Ed Finnlay - computer programmer and devoted father of two - goes missing, there's not a lot the local police can do. After all, Ed himself told them he would be gone... for quite some time. As the weeks go by with no news, his wife reaches out to Jack and Sarah for help. But they soon learn that there are odd secrets about this missing husband and that he might not only be gone, but also in serious danger. Can Jack and Sarah do what seems impossible.

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

Molly Gray is not like everyone else. She struggles with social skills and misreads the intentions of others. Her gran used to interpret the world for her, codifying it into simple rules that Molly could live by. Since Gran died a few months ago, twenty-five-year-old Molly has been navigating life’s complexities all by herself. No matter—she throws herself with gusto into her work as a hotel maid. Her unique character, along with her obsessive love of cleaning and proper etiquette, make her an ideal fit for the job.

Stephen Munro, a demobbed army officer, reconciles himself to taking a job as a footman to make ends meet. Employed at Wintringham Hall, the delightful but decaying Sussex country residence of the elderly Lady Susan Carey, his first task entails welcoming her eccentric guests to a weekend house-party, at which her bombastic nephew - who recognises Stephen from his former life - decides that an after-dinner séance would be more entertaining than bridge. Then Cicely disappears!

When a beautiful, wealthy student is found dead in her room in Oxford's most prestigious college, Detective Inspector Bridget Hart is called to investigate. The murdered girl appeared to have no enemies, yet was killed in a brutal and bloody assault. Haunted and driven by her own personal tragedy, newly promoted DI Bridget Hart has a lot to prove as she leads her first murder case. Her investigation uncovers a tangled web of lies, lust and ambition, and brings her into conflict with powerful interests.

Kat brings Harry across the Atlantic to New York for a planned whirlwind time in her home town - complete with a lavish suite at the Plaza. But when Teddy Crowther - grandson of a wealthy City magnate - is snatched by the mob, the pair is asked to help. As Prohibition New York swelters in a heatwave, the Mortimers soon find themselves playing a dangerous game of cat and mouse, not just with the kidnappers, but also the rest of the Crowther family, all of whom have everything to gain - and maybe lose - if Teddy is found ...

The year is 1924. Only a few years removed from the trenches of Flanders, Lieutenant Eric Peterkin has just been granted membership in the most prestigious soldiers-only club in London: the Britannia. But when a gentleman's wager ends with a member stabbed to death, the victim's last words echo in the lieutenant's head: that he would "Soon right a great wrong from the past".  Eric is certain one of his fellow members is the murderer. But who?

Jemima Jago has moved back home to the enchanting Isles of Scilly. Ready for a fresh start in a quaint coastal village, she can be found in the stacks of Cornwall’s oldest library by day and stargazing in the cove at night. Jem finds the slower pace of life suits her perfectly, until she stumbles across a very curious crime.....