1934. Accidental amateur sleuth Kitty Underhay is being escorted by ex-army captain Matthew Bryant on an errand of mercy, as she takes a basket of grapes to her nemesis Mrs. Craven, who is recuperating from a recent operation. But their arrival at Elm House Nursing Home coincides with the mysterious death of Lady Wellings, a long-term resident.

Spring, 1921. Lady Eleanor Swift, explorer extraordinaire and accidental sleuth, hasn’t had a vacation since she arrived in England a year ago. So she books into the Grand Hotel in the fashionable resort of Brighton for some fresh air, fish and chips, and, of course, a dip in the ocean. Eleanor is enjoying her view of the waves and trying to find her bathing suit when calamity strikes: A guest has been found dead at her beautiful hotel. The distraught manager, who can’t afford a scandal, asks Eleanor to solve the case as swiftly as possible.

March, 1925. Pregnant, bored, and longing for an adventure, Posie Parker accepts a rather last-minute wedding invitation from an old friend who is getting married out in the gorgeous town of San Gimignano, Tuscany. But what Posie - and her husband Richard Lovelace - arrive into is not a blissfully happy wedding party, at all. It’s a chaotic mix of mistrust, unfaithful fiancées, bizarre death threats, uninvited wedding guests, and a big dollop of very real unease.

Winter, 1920. Amateur sleuth Lady Eleanor Swift is feeling festive. She is playing host to the entire village at Henley Hall. She’s also purchased perfect presents for each of her household - not forgetting the biggest bone in the butcher’s shop for her partner in crime, Gladstone the bulldog - and is looking forward to celebrating her first English country Christmas. As snowflakes fall, Eleanor is cheering on contestants in the traditional Christmas fun run in the grounds of the hall. But tragedy strikes when one of the runners drops dead at the finish line.

Mrs. Ginger Reed - the former Lady Gold - thought her past was dead and buried, but when the mysterious death of a British secret service agent threatens to expose her own Great War secrets, she’s faced with an unimaginable dilemma: break her legal vow to the Official Secrets Act or join the agency again, something she’s loath to do. Because, once they own your soul, there’s no getting it back.

Winter, 1933. Kitty Underhay is enjoying a restorative break from sleuthing on a visit to her family at Enderley Hall. The only thing marring her peace - aside from the uncomfortable sensation she has of being watched - is the obvious history between her beau, ex-army captain Matthew Bryant and another guest, the beautiful Juliet Vanderstafen. So, when the parish clerk is found dead on her front doorstep, Kitty leaps at the chance of distraction. 

England, 1920. Lady Eleanor Swift, adventurer extraordinaire and reluctant amateur detective, is taking a break from sleuthing. She’s got much bigger problems: Eleanor has two left feet, nothing to wear and she’s expected at the masked ball at the local manor. Her new beau Lance Langham is the host, so she needs to dazzle. Surrounded by partygoers with painted faces, pirates, priests and enough feathers to drown an ostrich, Eleanor searches for a familiar face. As she follows a familiar pair of long legs up a grand staircase, she’s sure she’s on Lance’s trail. 

She was admired by women and desired by men, until jealousy and past secrets took center stage. Help Cleo and her friends solve the murder of one of London’s leading actresses. When a hotel guest’s mistress is found dead in the stalls of the Piccadilly Playhouse, a verdict of suicide is given. Convinced his lover didn’t kill herself, Lord Rumford wants the truth uncovered. Against his better judgement, he hires Cleo Fox to find the murderer. Cleo needs to solve this case if she wants to make a living from being a private detective.

Saxford St Peter is Eve Mallow’s beloved home, but she can’t resist the chance to spend a weekend in the nearby Abbey Hotel, famed for its glamorous owner, Debra Moran, and an array of celebrity guests. For a confirmed people-watcher like Eve, it’s perfect: She can observe the rich and famous while sipping tea in the gardens, her faithful dachshund, Gus, by her side. But her relaxing break takes a shocking turn when Debra is found lying dead in the shadowy woods around the hotel. 

A snowbound country mansion, a missing butler, and a Christmas case...Olive and Jasper have never been closer - except for one thing. Jasper is still reticent about his frequent disappearances from polite society. With the holidays approaching and no paying client on the books, Olive decides to shadow Jasper when he’s unexpectedly called away. Her search brings her to Holly Hill Lodge where an eclectic group has gathered to celebrate an old-fashioned English Christmas. When the butler goes missing, Olive and Jasper must work together to solve the Christmas crime.

When London’s finest jazz musicians, the Dizzy Heights, are booked to play the glitzy Midsummer Ball at a country house in Oxfordshire, they expect a weekend filled with flappers and toffs having a roaring good time. But the festivities at Bilverton House take a turn for the worse when the group are stranded by a summer storm. And when a member of the Bilverton family turns up dead in a locked room in an apparent suicide, Skins, Dunn and Ellie realize this is going to be a much tougher gig than they thought.

Posie Parker has been called to her most baffling case yet. Amyas Lyle, London’s top young lawyer, has been found with his head in a box of poisoned saltwater. It’s the perfect murder. But who hated him enough to do such a thing? Following a trail of strange notes, all of which speak of the sea and saltwater, Posie travels from London to the seaside resort of Whitley Bay, looking for answers. But nothing can prepare her for what she finds there.

November 1933. Amateur sleuth-cum-dutiful granddaughter Kitty Underhay stifles a sigh of boredom as she attends the annual Hoteliers' Association Dinner and Dance on behalf of her grandmother, the proprietress of the Dolphin Hotel. She hopes the company of ex-army captain Matthew Bryant will enliven the otherwise dull evening. That is, until bullish and overbearing local councilor Harold Everton drops dead into his bowl of consommé. 

When the body of Isolde Newley's long lost husband is found in the grounds of St. Augustus churchyard, suspicion falls on Isolde and everyone close to her - especially her new love interest, the dashing Dr. Mainwaring. The mystery is exacerbated by the largest snowfall seen in North Yorkshire for years. No one can get in - or out - of the village.

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.