Discreet sleuth for the high society set Olive Belgrave is delighted with her new flat at South Regent Mansions, where she’s made several friends, including the modern career woman, Minerva, who draws a popular cartoon about a flapper for a London newspaper. But then Minerva comes to Olive for help after catching a glimpse of a disturbing sight - a dead body. At least, that’s what Minerva thought she saw, but there’s not a dead body anywhere in the posh building, and the residents are continuing with their lives as they normally do. Is Minerva seeing things?

November, 1923. Olive’s school chum Gigi invites Olive to London because Gigi’s dotty grandmother fears for her life - or so she’s said to Gigi. However, Olive is surprised to find that the dowager is far from muddled. The sharp and imperious matriarch refuses to admit to her worries and sends Olive on her way.

With the social season just around the corner, the women in Cleo’s family are having new outfits made by the most sought-after designer in the city. Madame Poitiers is bold, self-absorbed, and not French, despite her claims. When Cleo stumbles on her dead body in the salon, she is in a unique position to gather clues and speak to witnesses. But she doesn’t expect to find Harry Armitage’s business card in Madame’s possession. What is the alluring private detective’s connection to the victim? And why is he avoiding Cleo? 

October, 1923. Lady detective Olive Belgrave has a new case. Lady Agnes doesn’t believe in curses - especially ancient curses - and she hires Olive to prove her uncle wasn’t the victim of a malevolent mummy. Olive investigates and discovers the truth is much worse - it’s murder. Can Olive debunk the curse and reveal the true culprit before the mummy curse claims another victim?

November, 1923. An invitation to a house party at the estate of Parkview Hall is a welcome respite for Olive Belgrave, a newly minted working girl who's become the solver of high society's trickiest problems. But when the sumptuous black tie event turns deadly, Olive's cousin Peter becomes the main suspect. Olive must unmask a sophisticated killer before an innocent man takes the blame...because murder doesn't RSVP.

Kitty Underhay is accompanying her fiancé, Matthew Bryant, and Bertie, his new cocker spaniel, on an outing to Torbay Country Club. However, the delightful day soon turns to disaster. Walking Bertie in the shaded grotto after an exhilarating archery demonstration, Kitty makes an unsporting discovery: the body of their host, Sir William Winspear, with an arrow in his back.

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.

Onetime adventurer and now amateur sleuth Lady Eleanor Swift is attending the annual royal regatta with her new pal Tipsy Fitzroy. Tipsy has Eleanor trussed up like a debutante in a new dress, determined to turn her into a proper society lady. Even Eleanor’s favorite companion, Gladstone the bulldog, has a new outfit for the occasion. But the sparkling prize-giving ceremony is interrupted when the devilishly handsome host gulps his glass of champagne on stage and collapses to the floor. The victim is none other than the king’s cousin, Lord Xander Taylor-Howard.

Summer, 1921. Lady Eleanor Swift, the best amateur sleuth in the country, is delighted to be in charge of the prize-giving at her village summer fair. But the traditional homemade raft race takes a tragic turn when the local undertaker, Solemn Jon, turns up dead amongst the ducks. Jon was the life of any party and loved by the entire village. Surely this was simply an awful accident? But when a spiteful obituary is printed in the local paper, Eleanor realizes there may be more to Jon’s death than first thought.

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.

Autumn, 1920. Lady Eleanor Swift, accidental amateur detective and retired explorer, is determined to take a break from investigating murders. So when a local politician dies suddenly at an elegant dinner party at Farrington Manor, she tries her hardest not to listen to the raft of rumors around the village that he might have been poisoned by the fudge. It’s the anniversary of the disappearance of her beloved parents, and she’s promised herself not to get mixed up with any more mysteries. She isn’t sure they’d have approved.  

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.

Summer 1923. Lady Eleanor Swift is finally persuaded by her butler, Clifford, to take a villa in the south of France for the season. She plans to do what a glamorous lady abroad should: long lunches on the balcony followed by lazy afternoons lounging by the pool. But when Clifford examines the wine cellar, he discovers there are no decent reds, but there is a very dead body. The victim is famous American movie-star Rex Armstrong. Poor Rex seems to have been stabbed with a sword from the film set. So how did he end up in Eleanor’s villa?

Autumn, 1921. Lady Eleanor Swift is invited to her old school, St Mary’s, as a guest speaker. Her favorite teacher, Mrs. Wadsworth, has asked that Eleanor talk about her intrepid travels around the globe - travelling the Silk Road by bicycle, crossing the Himalayas and even befriending the Maharaja of India. But in the circumstances, perhaps it would have been a good idea to talk about her career as a daring detective. Because no sooner has Eleanor brushed up on her times tables than she is greeted by terrible news: Mrs. Wadsworth has been murdered.

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.