DI Richard Poole is hot, bothered and fed up. He’s stuck on the tropical island of Saint-Marie, forced to live in a rickety old shack on a beach, and there isn’t a decent cup of tea to be found anywhere. When a boat explodes in the harbour, Richard and his team soon realise there’s a new murderer on the loose. But who is it? And why did the killer leave behind a ruby at the scene of the crime? As the police dig deeper, they uncover secrets that go back decades and a crime from the past that can never be forgiven. 

Queen Elizabeth II is having a royal nightmare. A referendum divides the nation, a tumultuous election grips the United States - and the body of a staff member is found dead beside Buckingham Palace swimming pool. Is it a tragic accident, as the police think? Or is something more sinister going on? As Her Majesty looks for answers, her trusted assistant, Rozie, is on the trail of a treasured painting that once hung outside the queen's bedroom.

Canon Daniel Clement is rector of Champton. He has been there for eight years, living at the rectory alongside his widowed mother—opinionated, fearless, ever-so-slightly annoying Audrey—and his two dachshunds, Cosmo and Hilda. When Daniel announces a plan to install a lavatory in church, the parish is suddenly (and unexpectedly) divided: as lines are drawn in the community, long-buried secrets come dangerously close to destroying the apparent calm of Champton. And then Anthony Bowness is found dead at the back of the church, stabbed in the neck with a pair of secateurs.

Seventy-seven-year-old Judith Potts is blissfully happy. She lives alone in a faded mansion in Marlow, sets crosswords for The Times, and there’s no man in her life to tell her what to do or how much whisky to drink. One evening, while out swimming in the Thames, Judith witnesses a brutal murder. When the local police don’t believe her story, Judith and two unlikely friends decide to investigate for themselves. Together, they are the Marlow Murder Club.

New York, 1908. Private detectives George Dillman and Genevieve Masefield plan to take a break from work upon the Cunard Line’s fleet with the offer of employment upon the Minnesota, a freighter and passenger vessel, which is bound for the Far East. Although the pair are investigating the possibility of a smuggling operation on the route, at first all appears to be smooth sailing, but the voyage takes a dire turn when a fiery Catholic missionary is murdered and it proves to be the first in a series of crimes that plague the crossing.

DI Tom Mariner thinks he's seen it all, but now he faces an investigation which will push him to the limit. Journalist Eddie Barham is found dead in his home. A syringe in his arm and a note by his side reading, "No More". Open and shut case of suicide? Not for DI Mariner. Hours before, he saw Barham picking up a prostitute in a bar. And then Mariner discovers Barham's younger brother, Jamie, hiding in a cupboard under the stairs. Mariner is determined to connect with Jamie and get to the truth.

Landscape gardener Imogen Bishop has spent the last 30 years trying to forget one fateful school night but when her estranged husband Greg Bishop is found dead in the grounds of her father's Georgian hotel, danger threatens to overwhelm her. Retired police officer Adam Hennessey, hoping for a peaceful life running his traditional Somerset country pub, finds himself drawn into the unfolding drama in the hotel across the road. 

June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot at the hotel. Soon, rumors are flying in the cozy town that someone is on the hunt for a stolen ruby. A ruby that Kitty’s mother may well have possessed when she herself went missing during the Great War.

Every Thursday, three retired school teachers have their ‘coffee o’clock’ sessions at the Thirsk Garden Centre café. But one fateful week, as they are catching up with a slice of cake, they bump into their ex-colleague, Topsy. By the next Thursday, Topsy’s dead. The last thing Liz, Thelma and Pat imagined was that they would become involved in a murder. But they know there’s more to Topsy’s death than meets the eye - and it’s down to them to prove it.

Agatha Raisin becomes embroiled in a turmoil of jealousy and lies when the tranquillity of her local bowls club explodes into a storm of accusation and intrigue - and murder. Her private life is no less turbulent when a past suitor reappears just as her ex-husband seems intent on rekindling their romance, and her close friend, Bill Wong, is in danger of losing the woman he loves. Events take an even darker turn when Agatha realises that, in pursuing the bowling green killer, she is putting her own life in danger.

Homicide detective Harry Belltree wouldn’t usually be looking too hard at an elderly couple’s suicide pact. Especially now, when his brother-in-law, Greg, has just been stabbed to death. But it seems Greg and the old couple had ties to the same man, a bent moneylender with friends in high places - and low. Harry can’t get officially involved in Greg’s murder, but he suspects a link with two other mysterious deaths: his parents'.

The young man with the shock of white-blond hair lay spread-eagled on the floor, surrounded by fallen books. His hand reached out to the scattered pages, as though he was trying to tell her something. But who is he? How did he come to be killed in Flora’s ordinary little bookshop? Flora finds out he was staying at the Priory Hotel, and when the gardener suddenly dies in its beautiful grounds only a few days later, she is certain that something untoward is happening in her quiet village by the sea. 

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.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

One of the Claridge's kitchen porters is found dead—strangled. He was a recent employee who claimed to be Romanian, but evidence suggests he may have been German. Detective Chief Inspector Coburg has to find out exactly who he was, and what he was doing at Claridge's under a false identity. Once he has established those facts, he might get an insight into why he was killed, and who by.