It's 1920, and Christmas is coming. Major Lennox finds a body on his doorstep - why on his doorstep? Was it to do with the Countess? Was it about the ruby necklace? Lennox goes to Melrose Court, home to his uncle, Lord Melrose, to uncover the mystery. But then, the murders begin, and it snows, and it all becomes very complicated.

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...

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.

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.

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.

Gower Street, London, 1882: Sidney Grice, London's most famous personal detective, is expecting a visitor. He drains his fifth pot of morning tea, and glances outside, where a young, plain woman picks her way between the piles of horse-dung towards his front door. Sidney Grice shudders. For heaven's sake - she is wearing brown shoes. The Mangle Street Murders is for those who like their crime original, atmospheric, and very, very funny.

Brighton, 1920. Clara Fitzgerald is trying to earn a little respect as the first female private detective in Brighton when Mrs Wilton turns up on her doorstep one snowy day. Struggling to get by since the war, Mrs Wilton has been convinced by an unscrupulous clairvoyant that her dead husband is trying to make contact via strange riddles that supposedly lead to hidden treasure. Clara is quickly on the case to prove the notorious clairvoyant, Mrs Greengage, is nothing more than a scam artist extorting money from Mrs Wilton. 

In the dead of the night, a man is found murdered, locked in the stocks on the village green. Unfortunately for Superintendent Hannasyde, the deceased is Andrew Vereker, a man hated by nearly everyone, especially his odd and unhelpful family members. The Verekers are as eccentric as they are corrupt, and it will take all Hannasyde's skill at detection to determine who's telling the truth, and who is pointing him in the wrong direction. The question is: who in this family is clever enough to get away with murder?

When Meredith Mitchell agreed to stay with her actress cousin, Eve, in the run up to Eve's daughter's wedding, she anticipated a degree of drama. But she can hardly have expected it to include murder, blackmail, and unrequited love. Or to involve a certain Chief Inspector Markby, a middle aged divorcee.

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.