London, 1923. Olive Belgrave needs a job. Despite her aristocratic upbringing, she’s penniless. Determined to support herself, she jumps at an unconventional job - looking into the background of her cousin’s fiancé, Alfred. Alfred burst into the upper crust world of London’s high society, but his answers to questions about his past are decidedly vague. Before Olive can gather more than the basics, a murder occurs at a posh party. Suddenly, every Bright Young Person in attendance is a suspect, and Olive must race to find the culprit.

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.

Cambridge. Christmas 1922. Posie Parker has cleared a space in her hectic schedule to try to unravel a tragedy in her own family. But Posie’s past is hiding around every turn in the old university town. She finds herself taking on a new case which is positively teeming with ghosts, shadows, and secrets, where nothing is quite what it seems.

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.

Lies, spies, film stars, and murder. New Year’s Eve, 1921 Posie has been asked to accompany Inspector Richard Lovelace of Scotland Yard on an undercover mission. Their destination is a glittering New Year’s Eve party at Maypole Manor, the clifftop home of Lord Robin Glaysayer. With a blizzard raging outside, when a killer strikes, the Inspector and Posie’s skills are tested to breaking point as they try to find the murderer before he attacks again.

When famous explorer Alaric Boynton-Dale disappears, Posie uncovers many dark secrets: an aristocratic family torn apart by hatred, a bizarre murder at an English country house, and a cryptic clue left behind by Alaric which is sweet as honey, but deadlier than poison. In an action-packed case where simply everyone has a motive for wanting Alaric dead, Posie's investigation starts off in the English Cotswolds, takes her through the glamorous South of France, on to the mysterious island of Ortigia in Italy, and then into the Tombs of the Pharaohs in Egypt.

Sussex, England, 1929. Mydworth is a sleepy English market town just 50 miles from London. But things are about to liven up there, when young and handsome Sir Harry Mortimer returns home from his diplomatic posting in Cairo, with his beautiful and unconventional American wife, Kat. No sooner have the two arrived, when a jewel robbery occurs at Harry's aunt's home - Mydworth Manor. The police are baffled and overwhelmed with the case. But Harry and Kat have an edge in the hunt for the dangerous culprit.

It's 1920, and Christmas is coming. Major Lennox finds a body on his doorstep - why on his doorstep? Was it to do with the Countess? Was it about the ruby necklace? Lennox goes to Melrose Court, home to his uncle, Lord Melrose, to uncover the mystery. But then, the murders begin, and it snows, and it all becomes very complicated.

Late summer 1933. After a quarrel with too-plucky-for-her-own-good amateur sleuth Kitty Underhay, dashing ex-army captain Matthew Bryant is nursing his wounds, and a tumbler of brandy, when there’s a heavy knock at the door and he finds himself arrested for murder. The body of aspiring actress Pearl Bright has been found, strangled with one of Matt’s own bootlaces, and the evidence seems to be stacked against him. The local constabulary might have locked Matt up, but before they can throw away the key, Kitty hears the news and hies to his aid, determined to prove his innocence. 

Seasoned obituary writer Eve Mallow has a new assignment: to tell the life story of famed musician Bernard Fitzpatrick. A chance to spend a few days in the sweet little village of Saxford St. Peter, walking the country lanes with her beloved dachshund, Gus, and meeting new people sounds like a dream. But it turns out that Bernard’s life was much less interesting than his death. On the day she arrives, news breaks that the charismatic cellist was the victim of a grisly murder. Could this quaint English village be hiding a dark secret?

At the end of her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

It's 1929, and Ticky Maltravers is the toast of London high society, adored by everyone - or so it seems, until somebody poisons him over dinner. Now it turns out that numerous people with secrets to hide had every reason to wish him dead. But which of them murdered him? For Freddy Pilkington-Soames, newspaper reporter and man-about-town, the question hits a little too close to home.

After rising to prominence for his role investigating the case of Jack the Ripper, former Detective Inspector Daniel Wilson is now retired. Known for his intelligence, investigative skills, and most of all his discretion, he's often consulted when a case must be solved quickly and quietly. So when a body is found in the Egyptian collection of the Fitzwilliam Museum in Cambridge, Wilson is called in.  

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...

Mrs Bradley, sharp-eyed detective and celebrated psychiatrist, has decided to spend Christmas with her nephew at his beautiful house in the Cotswolds. It isn’t long before a mystery unfolds. There are strange events occurring in the nearby wood, and local villagers are receiving anonymous threatening letters. Then the snow begins to fall - and a body is discovered. Mrs Bradley is on the case, but she’ll have to hatch an ingenious plan to reveal the truth and find the culprit....