December, 1919. Clever crime reporter Lillie Mead hoped to celebrate a peaceful Christmas in the English countryside. But when a close friend's colleague turns up dead, Lillie knows there'll be little festive spirit until she unwraps this mystery. Following the clues to the wintery Scottish Highlands, she hopes to stop the killer cold before the next body hits the snow. But after she connects the victims to a clandestine wartime committee, she puts herself firmly in the murderer's sights.

After Miss Catherine Tregowyn, poet, and Dr. Harry Bascombe, her bête noire, discover a body in the Somerville College chapel, they are declared suspects in a murder inquiry. How can they prove their innocence? The pair decide they must launch their own investigation into the strangling of Oxford don, Agatha Chenowith. But working as a team will not be easy. Their relations are anything but cordial.

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.

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.

Twenty-six-year-old Beatrice Hyde-Clare is far too shy to investigate the suspicious death of a fellow guest in the Lake District. A spinster who lives on the sufferance of her relatives, she would certainly not presume to search the rooms of her host's son and his friend looking for evidence. Reared in the twin virtues of deference and docility, she would absolutely never think to question the imperious Duke of Kesgrave about anything, let alone how he chose to represent the incident to the local constable. And yet that's exactly what she does.

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, 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 the 1930s, and a mysterious illness is spreading over Scotland. But the noble and ancient family of Inverkillen, residents of Loch Down Abbey, are much more concerned with dwindling toilet roll supplies and who will look after the children now that Nanny has regretfully (and most inconveniently) departed this life. Then Lord Inverkillen, earl and head of the family, is found dead in mysterious circumstances. The inspector declares it an accident but Mrs MacBain, the head housekeeper, isn't so convinced. 

London,1925. Scotland Yard Detective Inspector Devenand Hunter finds himself in the middle of a series of upper-class deaths in London. Bright young people are being extinguished in their favorite night spots, from a sleazy private jazz club to the Savoy ballroom. Dev knows just the person to help him navigate the treacherous society waters: Lady Adelaide Compton, a marquess's daughter and widow of a Great War hero. Unfortunately, he has put her in jeopardy once before, nearly leading him to turn in his warrant card.

Spring, 1905: Free-spirited like the Thoroughbreds she rides across the Kentucky countryside, Stella takes adventure by the reins when she's asked to attend a mysterious wedding in rural England. But once she arrives at the lush Morrington Hall estate, her cold and ambitious father confesses that he won't only give away his best racehorses as gifts - he has also arranged to give away his daughter as bride to the Earl of Atherly's financially strapped son. Stella refuses to be sold off like a prized pony. Yet despite a rough start, there's something intriguing about her groom-to-be.

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...

London 1815. Newly widowed Lily Adler is returning to a society that frowns on independent women. At a ball thrown by her oldest friend, Lady Walter, she expects the scandal, gossip, and secrets. What she doesn't expect is the dead body in Lady Walter's garden. Lily overheard the man just minutes before he was shot: young, desperate, and attempting blackmail. But she's willing to leave the matter to the local constables - until Lord Walter bribes the investigating magistrate to drop the case. Stunned, Lily realizes she's the only one with the key to catching the killer.

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.....   

It's 1923 and young war widow fashionista Ginger Gold makes a cross-Atlantic journey with her companion Haley Higgins to London, England, to settle her father's estate. When the ship's captain is found dead, Ginger is only too happy to lend her assistance to the handsome Chief Inspector Basil Reed. 

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.