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.

London, 1921. Lord Johnny Fairfax has been found dead in his study, along with a second victim, a mysterious American who arrived unannounced the previous evening. For DCI Paul Stark, the case is personal: he's in a relationship with Lord Fairfax's former wife, Lady Amelia. The dead man had no shortage of enemies. Winston Churchill, his former colleague at the War Office, is convinced the murder is revenge for the disaster at Gallipoli. Lady Amelia herself is accused of the crime.

London, 1921. The Great War has recently ended and tensions in England are high. Now, prominent Cabinet minister Lord Amersham has been shot dead outside his Regent's Park home. The signs point to a professional hit. Charged with solving one of the most sensitive and high-profile cases Scotland Yard has ever faced, DCI Paul Stark is under pressure to get the job done quickly.

August, 1940. On the streets of London, locals watch with growing concern as German fighter planes plague the city’s skyline. But inside the famous Ritz Hotel, the cream of society continues to enjoy all the glamour and comfort that money can buy during wartime - until an anonymous man is discovered with his throat slashed open. Detective Chief Inspector Coburg is called in to investigate, ably assisted by his trusty colleague, Sergeant Lampson.

Salisbury, 1226. A young pregnant woman is found tangled in reeds in the river Avon, her identity a mystery. Grieving widow Ela Longespée is determined to succeed her husband as sheriff of Salisbury, and quickly takes charge of the investigation. She soon finds herself in the thick of a neighborhood scandal and a struggle to maintain her authority. With multiple suspects, can she identify the true killer?

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his seventy-fifth birthday. But when someone starts bumping off members of his scheming family, the old man enlists his teenage grandson to help find the killer, before one of them is next.

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.

September 1907. George Dillman sets sail from Liverpool to New York on the Lusitania's maiden voyage. Posing as a passenger, Dillman is in fact an undercover detective hired by the Cunard Line to keep an eye out for petty crimes. But after some uneventful days aboard, the ship’s blueprints are stolen and then a body is found. As Dillman works to get to the bottom of the crimes, he makes an unusual friend, first-class passenger Genevieve Masefield, and the two uncover secrets aboard the ship that prove explosive.

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...

Miss Busby helped Major Heathcliff Lennox solve a series of murders at Bloxford in the Cotswolds. Now, she finds herself drawn into a new murder, but this time, it's just her, and she must rely on her sharp mind and sharper wits to catch a Cotswolds killer, along with a handsome police inspector and a reporter who's keen to make her mark.

London, 1851. With the opening of the Great Exhibition at hand, interest in mounting in the engineering triumphs of the railways, but not everyone feels like celebrating. In an audacious attack, the London to Birmingham mail train is robbed and derailed, causing many casualties. Planned with military precision, this crime proves a challenge to Detective Inspector Robert Colbeck who fights to untangle a web of murder, blackmail and destruction.

The Earl of Wrexford possesses a brilliant scientific mind, but boredom and pride lead him to reckless behavior. He does not suffer fools gladly. So when pompous, pious Reverend Josiah Holworthy publicly condemns him for debauchery, Wrexford unsheathes his rapier-sharp wit and strikes back. As their war of words escalates, London's most popular satirical cartoonist, A. J. Quill, skewers them both.

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.

England. 1923. After a year away at finishing school where she learned etiquette, deportment, and the difference between a fish fork and a salad one, Kitty Worthington is eager to return home. But minutes after she and her brother Ned board the Golden Arrow, the unthinkable happens. A woman with a mysterious connection to her brother is poisoned, and the murderer can only be someone aboard the train. When Scotland Yard hones on Ned as the main suspect, Kitty sets out to investigate.

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.

1942: a German spy comes ashore on a desolate stretch of Lincolnshire beach. But he is hunted down by a young detective, Richard Prince. The secret services have need of a man like him.... In occupied Europe, Denmark is a hotbed of problems for British intelligence. Rumours of a war-ending weapon being developed by the Germans are rife. Sent to Copenhagen, Prince is soon caught in a deadly game of cat and mouse. Dodging Gestapo agents, SS muscle and the danger of betrayal, his survival - and the war effort - hangs in the balance.

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.

Following a mysterious explosion, the offices of Excelsior Joinery Company are no more; the three directors are killed and the peace of a quiet town in Surrey lies in ruins. When the supposed cause of an ignited gas leak is dismissed and the presence of dynamite revealed, Superintendent Littlejohn of Scotland Yard is summoned to the scene. But beneath the sleepy veneer of Evingden lies a hotbed of deep-seated grievances. Confounding Littlejohn's investigation is an impressive cast of suspicious persons, each concealing their own ax to grind.

DS Whitney Walker wants a promotion, but it’s hard when she’s trying to balance motherhood with a career. When a newborn baby is kidnapped from the local hospital, she draws on her skills as a mother to help. Despite being ordered not to, and when the leads are going nowhere, Walker enlists the help of a local journalist who’s convinced it’s the work of an international baby smuggling ring. Walker’s plan backfires and she fears they’re running out of time.

Chief Inspector Macdonald has been invited to a treasure hunt party at the house of the Graham Coombe, the celebrated publisher of Murder by Mesmerism. The clues of the hunt have been devised by Coombe's thriller-writer friends, disguised on the night under literary pseudonyms. The fun comes to an abrupt end, however, when 'Samuel Pepys' is found murdered in the telephone room in bizarre circumstances.

It is 1946, and war-weary young ex-intelligence officer Lane Winslow leaves London to look for a fresh start. When she finds herself happily settled into a sleepy hamlet in the interior of British Columbia surrounded by a suitably eclectic cast of small-town characters, she feels like she may finally be able to put her past to rest. But then a body is discovered, the victim of murder, and although she works alongside the town's Inspectors Darling and Ames to discover who might have possibly have motivation to kill, she unknowingly casts doubt on herself.

Captain Sam Wyndham, former Scotland Yard detective, is a new arrival to Calcutta. Desperately seeking a fresh start after his experiences during the Great War, Wyndham has been recruited to head up a new post in the police force. He is immediately overwhelmed by the heady vibrancy of the tropical city, but with barely a moment to acclimatize or to deal with the ghosts that still haunt him, Wyndham is caught up in a murder investigation that threatens to destabilize a city already teetering on the brink of political insurgency.

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman’s suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things—and people—aren’t always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It’s no easy job—especially when it turns out that one of the victims was involved in the IRA but was last seen discussing business with someone from the loyalist Ulster Volunteer Force.

Responding to pressure from on high, the Atlanta Police Department is forced to hire its first black officers. It's a victory of sorts, though the newly minted policemen are met with deep hostility by their white peers, and their authority is limited: They can't arrest a suspect unless a white officer is present; they can't drive squad cars; they can't even enter the station through the front door.

Out walking near the rain-swelled river running past her small Welsh town, she comes across the body of Amber Morgan. Fabia’s police training tells her instantly that the death is the result of foul play. But no longer in the force, all she can do is call it in. Yet she has mixed feelings when she discovers it is her former colleague, Matt Lambert, newly promoted to chief inspector, who will head the investigation into the girl’s death.