Picking up 20 years after Pride and Prejudice left off, Mr. Darcy's Daughters begins in the year 1818. Elizabeth and Darcy have gone to Constantinople, giving us an opportunity to get to know their five daughters, who have left the sheltered surroundings of Pemberley for a few months in London.

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.

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....

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.

Cressida Fawcett is heading to the English countryside for a weekend of cocktails and partying at her friend’s glamorous mansion, the location of a recent diamond heist. But just hours after her arrival, Cressida is woken by an almighty scream. Rushing to the landing, she looks down into the great hall to find a trembling maid standing next to the body of Harry, the friendly young chandelier cleaner. Everyone believes Harry’s death was an accident. But as Cressida examines the opulent hall and the beautiful grounds, she thinks something darker is afoot.

Stranded with an inn-full of travelers, Jenny Prydd finds herself embroiled in Emily Pellering's reluctant elopement. When she realizes that Emily's having second thoughts Jenny finds it impossible not to interfere. With the help of her fellow travelers - enigmatic Peter Teverley and his nephew Dominic - Jenny foils a fortune-hunter's plans. That should be the end of it, but when they reach London matters grow more complex: the fortune-hunting Adrian Ratherscombe still has his eye on Emily. Dominic Teverley has a tendre for Emily, but she only has eyes for Peter.

When the eligible Mr. Allison is to come to Fenton Manor to woo Honoria, there is a problem. She doesn't remember what he looked like. Crippled by her timidity, she hardly looked at him when they'd met during her first London season. But he had spoken to her father, determined to ask her for her hand. Her siblings, Serena and Benedict, find this highly amusing, but after Honoria overhears a conversation between her parents about their finances, she realises she must marry Mr. Allison.

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined.

Delphine Delacroix has lived the life of bird in a gilded cage, kept in a stately home with only her cold autocratic mother for company. At her mother’s death, she finds herself to be a wealthy woman and comes to London to be fretted over by her three maternal aunts determined to have her marry well. But Delphine feels she is once more having to hand herself over to another’s will and seeks to be the mistress of her own destiny.

Amy is a shy, timid soul, browbeaten by her domineering father until she’s terrified to do or say anything without his approval. When he dies suddenly, his will leaves large dowries for his six daughters, but only if they marry in the proper order, the eldest first. Amy must now find herself a husband, and soon, so her younger sisters can marry in their turn. There are several possible suitors, but will any of them come up to scratch? And how will Amy choose without her father to guide her? Belle is the plain one of the six Allamont sisters, happy with her books.

Fresh from teaching at her prestigious Swiss boarding school, Miss Atalanta Ashford suddenly finds herself the most eligible young lady in society when she inherits her grandfather’s substantial fortune. But with this fortune, and an elegant new Parisian home, comes a legacy passed down from grandfather to granddaughter…sleuthing discreetly for Europe’s elite. This young lady isn’t one to back down from a challenge and Miss Ashford must depend on her sharp wit and charm to solve her first case.

Someone is snatching priceless jewels right off the necks of British aristocrats. With his intimate access to the parlors and bedrooms of Regency London, the Richmond Thief strikes again and again. The Bow Street Runners, the city's only detectives, seem powerless to stop him. Enter Althea, lady scientist. As the young widow of a country gentleman, Lady Althea Trent is introduced to the upper-class social scene as yet another pretty face. But her own scientific inquiries and an invitation to act as an agent of Bow Street propel her into the hunt for the Richmond Thief.

In order to support her family and maintain their ancient castle in Lesser Hoo, 17-year-old Althea bears the burden of finding a wealthy suitor who can remedy their financial problems. But there are few wealthy suitors - or suitors of any kind--in Lesser Hoo. Then, the young and attractive (and very rich) Lord Boring arrives, and Althea sets her plans in motion. There's only one problem; his friend and business manager Mr. Fredericks keeps getting in the way. And, as it turns out, Fredericks has his own set of plans....

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.

Like all the Bedwyn men, Aidan has a reputation for cool arrogance. But this proud nobleman also possesses a loyal, passionate heart - and it is this fierce loyalty that has brought Colonel Lord Aidan to Ringwood Manor to honor a dying soldier's request. Having promised to comfort and protect the man's sister, Aidan never expected to find a headstrong, fiercely independent woman who wants no part of his protection, nor did he expect the feelings this beguiling creature would ignite in his guarded heart.