Alfie McAlister has retreated from London to the peace and quiet of the country to recover from a personal tragedy. But an accidental death - which may have been no accident - reveals that the heart of England is far from the tranquil backwater he imagined. After arriving in Bunburry, he is co-opted as an amateur detective by Liz and Marge, two elderly ladies who were best friends with Alfie's late Aunt Augusta. And it is not long before their investigations take an even more dramatic turn.

1894. A well-respected academic is found dead in a gentlemen’s convenience cubicle at the British Museum, the stall locked from the inside. Professor Lance Pickering had been due to give a talk promoting the museum’s new 'Age of King Arthur' exhibition when he was stabbed repeatedly in the chest. Having forged a strong reputation working alongside the inimitable Inspector Abberline on the Jack the Ripper case, Daniel Wilson is called in to solve the mystery, and he brings his expertise and archaeologist Abigail Fenton with him.

The unloading of a consignment of French wine from the steamship Bullfinch is interrupted by a gruesome discovery in a broken cask leaking sawdust and gold sovereigns. But when the shipping clerk returns with the police, the cask and its macabre contents have gone. Following the clues to Paris, Inspector Burnley of Scotland Yard enlists the help of the genial French detective M. Lefarge to check motives and alibis in their hunt for evidence of a particularly fiendish murder.  

After rising to prominence for his role investigating the case of Jack the Ripper, former Detective Inspector Daniel Wilson is now retired. Known for his intelligence, investigative skills, and most of all his discretion, he's often consulted when a case must be solved quickly and quietly. So when a body is found in the Egyptian collection of the Fitzwilliam Museum in Cambridge, Wilson is called in.  

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...

The murderer of Dr Grimauld walked through a locked door, shot his victim and vanished. He killed his second victim in the middle of an empty street, with watchers at each end, yet nobody saw him, and he left no footprints in the snow. And so it is up to the irrepressible, larger-than-life Dr Gideon Fell to solve this most famous and taxing of locked-room mysteries.

London, 1923. Olive Belgrave needs a job. Despite her aristocratic upbringing, she’s penniless. Determined to support herself, she jumps at an unconventional job - looking into the background of her cousin’s fiancé, Alfred. Alfred burst into the upper crust world of London’s high society, but his answers to questions about his past are decidedly vague. Before Olive can gather more than the basics, a murder occurs at a posh party. Suddenly, every Bright Young Person in attendance is a suspect, and Olive must race to find the culprit.

When a signalman discovers a mutilated body inside a railway tunnel near Groote Park, it seems to be a straightforward case of a man struck by a passing train. But Inspector Vandam of the Middeldorp police isn’t satisfied that Albert Smith’s death was accidental, and he sets out to prove foul play in a baffling mystery which crosses continents from deepest South Africa to the wilds of northern Scotland, where an almost identical crime appears to have been perpetrated.

For holidaymakers it’s a glorious time of breathtaking scenery, picnics on beaches, and flocks of tourists on their summertime holidays. But for Miss Judy Dimont, this is all a trifle dull. As a reporter for local rag, The Riviera Express, she needs scandal and intrigue - and one morning, as the clock strikes the quarter hour, she gets it. A woman has been shot dead in one of Buntorama’s upmarket holiday huts, the toffee-nosed rival hotelier next door is rubbing his hands with glee, and Judy and her trusty moped, Herbert, are off like a shot to survey the scene of the crime.

Cherringham - a quiet town in the Cotswolds. Nothing ever happens there, or so it seems - until one morning a woman's body is found in the river. A terrible accident, according to the police. But is this true? Sarah believes there must be more to it. In Jack, a former NYPD homicide detective, she finds a partner who is willing to start investigating with her. They soon find out that things are not as clear as the police want them to be ... This first - of many cases brings Sarah and Jack together in an unlikely partnership.

Through the double clamour of Big Ben and the shrill sound of the bell rang a revolver shot. A financier is found shot in the House of Commons. Suspecting foul play, Robert West, a parliamentary private secretary, takes on the role of amateur sleuth. Used to turning a blind eye to covert dealings, West must now uncover the shocking secret behind the man's demise, amid distractions from the press and the dead man's enigmatic daughter. 

Very little disturbs the ordered calm of Fethering, a pleasingly self-contained retirement town on England's southern coast. Which is precisely why Carole Seddon, who has outlived both her husband and her career at the Home Office, has chosen to reside there. So the last thing Carole expects to encounter in Fethering is a new neighbour with but one name and an obviously colourful past.  

On the night of the school prom, a young teacher is found dead in the Thames in a drug-related accident. It seems - at first - to be another sign that Cherringham High is spiralling out of control. The new head however is convinced that the teacher's death is suspicious and quietly calls in Sarah Edwards. With her one-time detective partner, Jack Brennan, back in America, Sarah is at first reluctant to take on the case. But when she does get involved, it soon becomes clear that the tragic accident might really be a case of murder - and even Sarah herself could be in danger.

John Wilkins meets a beautiful, irresistible girl, and his world is turned upside down. Looking at his wife, and thinking of the girl, everything turns red before his eyes - the colour of murder. But did he really commit the heinous crime he was accused of? 

When a strange child follows her home on the train from London, Ella Bridges feels bound to help her. However, she soon discovers the child is not what she seems. Having recently moved into a large home on Linhay Island, Ella finds herself at the centre of a murder investigation thanks to a special gift from the previous house owner. Along with her unusual sidekick, a former cottage resident, Ella follows clues that take her to the heart of London. As the mystery unravels she is forced to enter the lion's den to solve the crime and stop the perpetrator.