Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

During intermission at the famed La Fenice opera house in Venice, Italy, a notoriously difficult and widely disliked German conductor is poisoned—and suspects abound. Guido Brunetti, a native Venetian, sets out to unravel the mystery behind the high-profile murder. To do so, he calls on his knowledge of Venice, its culture, and its dirty politics. Along the way, he finds the crime may have roots going back decades—and that revenge, corruption, and even Italian cuisine may play a role.

The Gardener Estate is one of the most storied and beloved places on the West Coast: a magnificent house in vast formal grounds, home to a family that shaped California—and fought hard to conceal the turmoil and eccentricities within their walls. And now, just as the turmoil seems buried and the Estate prepares to move into a new future, construction work unearths a grim relic of the estate's history: a skull, hidden away some fifty years ago.

It is the early spring of 2016 and Queen Elizabeth is at Windsor Castle in advance of her 90th birthday celebrations. But the preparations are interrupted when a guest is found dead in one of the Castle bedrooms. The scene suggests the young Russian pianist strangled himself, but a badly tied knot leads MI5 to suspect foul play was involved. The Queen leaves the investigation to the professionals—until their suspicions point them in the wrong direction. Unhappy at the mishandling of the case and concerned for her staff's morale, the monarch decides to take matters into her own hands.

In the summer of 1862, a group of young artists led by the passionate and talented Edward Radcliffe descends upon Birchwood Manor in rural Oxfordshire. Their plan: to spend a secluded summer month in a haze of inspiration and creativity. But by the time their stay is over, one woman has been shot dead while another has disappeared; a priceless heirloom is missing; and Edward Radcliffe’s life is in ruins. Over 150 years later, Elodie Winslow, a young archivist in London, uncovers a leather satchel containing two seemingly unrelated items.

Living on her family’s gorgeous lakeside estate in Cornwall, England, Alice Edevane is a bright, clever, inquisitive, innocent, and precociously talented fourteen-year-old who loves to write stories. But the mysteries she pens are no match for the one her family is about to endure ...One midsummer’s eve, after a beautiful party drawing hundreds of guests to the estate has ended, the Edevanes discover that their youngest son, Theo, has vanished without a trace.

A week's holiday in a luxurious hotel is just what Scotland Yard's Superintendent Duncan Kincaid needs. But his vacation ends dramatically with the discovery of a dead body in the whirlpool bath. Despite a suspicious lack of cooperation from the local constabulary, Kincaid's keen sense of duty won't allow him to ignore the heinous crime, impelling him to send for his enthusiastic young assistant, Sergeant Gemma James. But the stakes are raised significantly when a second murder occurs....

All children mythologize their birth... So begins the prologue of reclusive author Vida Winter's beloved collection of stories, long famous for the mystery of the missing thirteenth tale. The enigmatic Winter has always kept her violent and tragic past a secret. Now old and ailing, she summons a biographer to tell the truth about her extraordinary life: Margaret Lea, a young woman for whom the secret of her own birth remains an ever-present pain.

Edie Burchill and her mother have never been close, but when a long lost letter arrives one Sunday afternoon with the return address of Milderhurst Castle, Kent, printed on its envelope, Edie begins to suspect that her mother’s emotional distance masks an old secret.

In Atonement, three children lose their innocence, as the sweltering summer heat bears down on the hottest day in 1935, and their lives are changed forever. Cecilia Tallis is of England's priviledged class; Robbie Turner is the housekeeper's son. In their moment of intimate surrender, they are interrupted by Cecilia's hyperimaginative and scheming 13-year-old sister, Briony. And as chaos consumes the family, Briony commits a crime, the guilt of which she shall carry throughout her life.

Selchester Castle in 1953 sits quiet and near-empty, its corridors echoing with glories of the past. Or so it seems to intelligence officer Hugo Hawksworth, wounded on a secret mission and now reluctantly assuming an altogether less perilous role at Selchester.

In 1915, Sherlock Holmes is retired and quietly engaged in the study of honeybees in Sussex when a young woman literally stumbles onto him on the Sussex Downs. Fifteen years old, gawky, egotistical, and recently orphaned, the young Mary Russell displays an intellect to impress even Sherlock Holmes. Under his reluctant tutelage, this very modern, twentieth-century woman proves a deft protégée and a fitting partner for the Victorian detective.

Summer 1924: On the eve of a glittering society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999: Grace Bradley, 98, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet's suicide. Ghosts awaken and memories, long consigned to the dark reaches of Grace's mind, begin to sneak back through the cracks.

Bethan Griffiths has returned home for Christmas to unwrap secrets. It's the 1970s and she is back in the village of Foel in the Welsh hills to raise her daughter. They arrive to the open arms of her family and the community, but not all is what it seems, and Beth isn't home for the reason she pretends, either. Vicious notes start appearing that reveal harsh truths about the village inhabitants, stirring up ancient pasts, old loves, and the dead. Not even local dignitary, the elegant and aloof Lady Melling who hides in her manor house, is safe from the accusations.

A week's holiday in a luxurious hotel is just what Scotland Yard's Superintendent Duncan Kincaid needs. But his vacation ends dramatically with the discovery of a dead body in the whirlpool bath. Despite a suspicious lack of cooperation from the local constabulary, Kincaid's keen sense of duty won't allow him to ignore the heinous crime, impelling him to send for his enthusiastic young assistant, Sergeant Gemma James. But the stakes are raised significantly when a second murder occurs....

Into Keldale's pastoral web of old houses and older secrets comes Scotland Yard Inspector Thomas Lynley, the eighth earl of Asherton. Along with the redoubtable Detective Sergeant Barbara Havers, Lynley has been sent to solve a savage murder that has stunned the peaceful countryside. For fat, unlovely Roberta Teys has been found in her best dress, an ax in her lap, seated in the old stone barn beside her father's headless corpse. Her first and last words were "I did it. And I'm not sorry".

Max Tudor has adapted well to his post as vicar of St. Edwold's in the idyllic village of Nether Monkslip. The quiet village seems the perfect home for Max, who has fled a harrowing past as an MI5 agent. But this new-found serenity is quickly shattered when the highly vocal and unpopular president of the Women's Institute turns up dead at the Harvest Fayre. The death looks like an accident, but Max's training as a former agent kicks in, and before long he suspects foul play.

Emily Braden has stopped believing in fairy tales and happy endings. When her fascinating but unreliable cousin Harry invites her on a holiday to explore the legendary town of Chinon, and promptly disappears - well, that's Harry for you. As Emily makes the acquaintance of Chinon and its people, she begins to uncover dark secrets beneath the charm.

Living on her family’s gorgeous lakeside estate in Cornwall, England, Alice Edevane is a bright, clever, inquisitive, innocent, and precociously talented fourteen-year-old who loves to write stories. But the mysteries she pens are no match for the one her family is about to endure ...One midsummer’s eve, after a beautiful party drawing hundreds of guests to the estate has ended, the Edevanes discover that their youngest son, Theo, has vanished without a trace.

Bridgestead is a peaceful spot: a babbling brook, rolling hills, and a working mill at its heart. Pretty and remote, nothing exceptional happens...until the day that Master of the Mill Joshua Braithwaite goes missing under dramatic circumstances, never to be heard of again. Now Joshua's daughter is getting married and wants to make one last attempt at finding her father. Kate Shackleton has always loved solving puzzles. So who better to get to the bottom of Joshua's mysterious disappearance?

The charm of spending the Christmas holidays in South Wales, with its crumbling castles and ancient myths, seems the perfect distraction from the nightmares that have plagued literary agent Lyn Ravenshaw since the loss of her baby five years ago. Instead she meets an emotionally fragile young widow who's convinced that Lyn's recurring dreams have drawn her to Castle Farm for an important purpose - and she's running out of time.

Summer 1924: On the eve of a glittering society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999: Grace Bradley, 98, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet's suicide. Ghosts awaken and memories, long consigned to the dark reaches of Grace's mind, begin to sneak back through the cracks.

When farmers cutting turf in an Irish peat bog make a grisly discovery, the perfectly intact body of a young woman with long red hair, archaeologist Cormac O'Callaghan and pathologist Nora Gavin are thrown together by their shared scientific interest in human remains. Because of the preservative effect of the bog, it is difficult to tell whether the body has lain there for two decades, two centuries, or two millennia.

A vicar with a passion for nature, the Reverend Albert Canning leads a happy existence with his naive wife, Hester, in their sleepy Berkshire village in the year 1911. But as the English summer dawns, the Cannings' lives are forever changed by two new arrivals: Cat, their new maid, a disaffected, free-spirited young woman sent down from London after entanglements with the law; and Robin Durrant, a leading expert in the occult, enticed by tales of elemental beings in the water meadows nearby.

When Victoria Caryll is offered a position at Flamingo, her aunt's family estate in Kenya's Rift Valley, she accepts - knowing full well that the move will give her a chance to see Eden DeBrett once again, the man she was previously engaged to. But she doesn't realize that coming to her aunt's home will introduce her to an unstable region still recovering from the bloody Mau Mau revolt, and to a household thrown into grief by a recent murder.

In 1921, the bloodied bodies of Colonel Fletcher, his wife and two staff are found in a manor house in Surrey. The police have put the murders down to a violent robbery, but Detective Inspector Madden from Scotland Yard has his own suspicions. In the meantime the killer is plotting his second strike.

December 1918: As a difficult year draws to a close, there is much to celebrate for 19-year-old Phoebe Renshaw and her three siblings at their beloved family estate of Foxwood Hall. The dreadful war is finally over; eldest daughter Julia's engagement to their houseguest, the marquis of Allerton, appears imminent; and all have gathered to enjoy peace on Earth, goodwill toward men. But the peace of Foxwood Hall is shattered on the morning of Boxing Day, when the marquis goes missing.

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?

Iris Grey rents a quaint cottage in a picture-perfect Hampshire village, looking to escape from her crumbling marriage. She is drawn to the neighboring Wetherby family and is commissioned to paint a portrait of Dominic Wetherby, a celebrated crime writer. At the Wetherby's Christmas Eve party, the mulled wine is in full flow - but so are tensions and rivalries among the guests. On Christmas Day, the youngest member of the Wetherby family, Lorcan, finds a body in the water. A tragic accident? Or a deadly crime?