Upon the death of her father, Mary Bennet’s life is thrown into turmoil. With no fortune or marriage prospects, she must rely on the kindness of her relatives. When a mysterious late-night visit by an unknown relative - a Lady Trafford from Castle Durrington - leads to an extended stay and the chance for an education, Mary gratefully accepts the opportunity. But even as she arrives at the castle, she’s faced with one mystery after another.

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

England, 1925. When a strange young woman is found murdered on the grounds of Unsworth Castle, the duke and his family are astounded at first, but quickly become enraged when the police begin asking all sorts of impertinent questions. And when suspicions dare to fall on one of their own, it is up to Mr. Quayle, Lord Unsworth's exceedingly efficient secretary, to find the true culprit and save the House of Unsworth from scandal and ruin.

1715. Jonas Flynt, ex-soldier and reluctant member of the Company of Rogues, a shady intelligence group run by ruthless spymaster Nathaniel Charters, is ordered to recover a missing document. Its contents could prove devastating in the wrong hands. On her deathbed, the late Queen Anne may have promised the nation to her half-brother James, the Old Pretender, rather than the new king, George I. But the will has been lost. It may decide the fate of the nation.

When Brid Harcus is sent to the Orkney Islands, in the far reaches of Scotland, she has high hopes for her trip being short, straightforward and lucrative. Her mother has inherited a cottage from her Great Aunt Jennet which has been unlived in and unloved for decades, and the time has come to make it habitable and saleable. Easy, right? But Midness Cottage has other ideas. For one thing it’s rather more ‘fixer upper’ than Country Living. And Brid definitely hadn’t planned for the strongly held local belief that the cottage is meant to be the home of the Orkney Witch.

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.

1884 - When Betsan Morgan’s mother succumbs to a devastating illness, she doesn't think her life could get much worse. But then her father moves in his new beau, an unserious flitty woman and coincidentally also the bargirl in the pub he works in, and she soon learns her house is no longer a home. All she can do is sit in the attic and stare at the portrait of her mother. Her new stepmother, Elinor, couldn’t even let them have the grace of keeping it in the hallway.

Sir Francis Walsingham, spymaster to the Tudor Queen Elizabeth has trained Kit Scarlett since she was a girl. Aware that she is able to infiltrate places that his male agents cannot, he sees her as an invaluable member of his team. When Walsingham discovers that a rebel alliance is planning to overthrow Queen Elizabeth and put Mary, Queen of Scots on the English throne, he summons Kit immediately. Together with loyal Scottish agent Iomhar Blackwood, Kit is tasked with finding out the full details of the treasonous plot.

Annaliese—Annie—Gilberti is a divorced South Philadelphia mother of two with a nine-to-five job when a shocking discovery turns another average day upside down: her late grandmother was the exiled ruler of a small European country, and Annie is next in line to wear the crown and restore the monarchy. The would-be grand duchess of the Grand Duchy of Saint Gilbert has vacation time coming, enough to take a quick trip to check it out.

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...

It's the end of the roaring twenties, and the exuberant and Honourable Phryne Fisher is dancing and gaming with gay abandon. But she becomes bored with London and the endless round of parties. In search of excitement, she sets her sights on a spot of detective work in Melbourne, Australia. And so mystery and the beautiful Russian dancer, Sasha de Lisse, appear in her life. From then on it's all cocaine and communism until her adventure reaches its steamy end in the Turkish baths of Little Lonsdale Street.

Island life suits Susan, and she can’t imagine ever moving from her beloved Isle of Wight. So it gives her real pleasure to see her young lodger Colette settle in to life by the sea, especially knowing that she has such a troubled past.

Penelope Ashford, Portia Cynster's younger sister, has devoted her life to the care of orphans. But lately, her charges seem to be disappearing without a trace. Penelope enlists investigator Barnaby Adair to solve the mystery. Adair agrees, intrigued by both the case and by Penelope.

London, 1927. On the morning of Friday 5th February, 1927, Miss Agnes Humphries – the landlady of the attractive, if-slightly shabby, white-fronted townhouse at Number 23 Burlington Square – has a decision to make. The rooms of the second floor lie empty, since poor Mr Blandford’s unfortunate demise, God rest his soul. And Agnes must make up her mind as to who will be her new lodger. Agnes must choose between them. But what will her decision lead to? One of the choices could result in scandal, one in devastation, and one could even lead to happiness. If only she gets it right.

Home has always been a temporary arrangement for Samara Mansingh, a wayfaring wedding photographer and the daughter of a diplomat. When her father is uprooted once again, Samara needs a place to stay in Delhi. Next stop: the Khanna family. Samara’s memories of the Khannas are vague at best, but she doesn’t remember their home feeling so much like a war zone. And the last thing their surly eldest son, Sharav, wants is a houseguest eavesdropping on the chaos.