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.

It's party time in Bunburry! The deluxe Magnolia Inn is hosting surprise birthday celebrations for Bunburry's favourite senior citizens, Liz and Marge. But the party is not the only surprise. A glamorous widow, Francesca Fairfax Adams, is staying in the Magnolia Inn, and catches the eye of self-made man and amateur sleuth Alfie McAlister.

Before Jack the Ripper terrorised London, Police Inspector Samuel Ravenscroft patrolled the streets of Whitechapel. Clever and hard-working, Ravenscroft nonetheless has the worst record in the force. He lets a murderer escape during a chase and is banished to the spa town of Malvern for a water treatment to cure his asthma. Ravenscroft accepts a dinner invitation from a new acquaintance, Jabez Pitzer. Before dinner, the maid finds Pitzer slumped over his desk - dead. Ravenscroft immediately recognises the signs - Pitzer has been poisoned.

Private Enquiry agent Cyrus Barker has just about seen it all—he's been attacked by assassins, his office has been bombed, and evil-doers have even nearly killed his dog. But never before has a potential client dropped dead in his office. When Roland Fitzhugh, Member of Parliament arrives to consult Barker and his partner Thomas Llewelyn, he falls to the floor, dead, upon entering. 

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

With her inquisitive mind, Charlotte Holmes has never felt comfortable with the demureness expected of the fairer sex in upper-class society. But even she never thought that she would become a social pariah, an outcast fending for herself on the mean streets of London. When the city is struck by a trio of unexpected deaths and suspicion falls on her sister and her father, Charlotte is desperate to find the true culprits and clear the family name.

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.

It's winter in Cherringham, and petty thief Charlie Topper's life is in danger. Desperate, he reaches out to Jack and Sarah for help: last summer - during a robbery - he witnessed a cold-blooded murder, and now he fears the killer is after him. Can Jack and Sarah solve this very cold case - before the desperate murderer comes for them too? Set in the sleepy English village of Cherringham, the detective series brings together an unlikely sleuthing duo: English web designer Sarah and American ex-cop Jack.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his 75th 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. The mismatched duo must pick the culprit from a gaggle of preening playboys, scatter-brained spinsters, and irate inspectors in this Agatha-Christie-style whodunnit that will have you racing to spot the killer. 

London, 1878. One April morning, a small boat bearing a young woman’s corpse floats down the murky waters of the Thames. When the victim is identified as Rose Albert, daughter of a prominent judge, the Scotland Yard director gives the case to Michael Corravan, one of the only senior inspectors remaining after a corruption scandal the previous autumn left the division in ruins. Reluctantly, Corravan abandons his ongoing case, a search for the missing wife of a shipping magnate, handing it over to his young colleague, Mr. Stiles. 

Wodehousian gadabout and clubman Anty Boisjoly takes on his first case when his old Oxford chum and coxswain is facing the gallows, accused of the murder of his wealthy uncle. Not one but two locked-room mysteries later, Boisjoly’s pitting his wits and witticisms against a subversive butler, a senile footman, a single-minded detective-inspector, an irascible goat, and the eccentric conventions of the pastoral Sussex countryside to untangle a multilayered mystery of secret bequests, ancient writs, love triangles, revenge, and a teasing twist in the final paragraph. 

Kat brings Harry across the Atlantic to New York for a planned whirlwind time in her home town - complete with a lavish suite at the Plaza. But when Teddy Crowther - grandson of a wealthy City magnate - is snatched by the mob, the pair is asked to help. As Prohibition New York swelters in a heatwave, the Mortimers soon find themselves playing a dangerous game of cat and mouse, not just with the kidnappers, but also the rest of the Crowther family, all of whom have everything to gain - and maybe lose - if Teddy is found ...

Northumberland, 1809: A beautiful young heiress disappears from her locked bedchamber at Linn Hagh. The local constables are baffled and the townsfolk cry "witchcraft". The heiress' uncle summons help from Detective Lavender and his assistant, Constable Woods, who face one of their most challenging cases.

It's 1811, and the threat of revolution haunts the upper classes of King George III's England. Then a beautiful young woman is found savagely murdered on the altar steps of an ancient church near Westminster Abbey. A dueling pistol found at the scene and the damning testimony of a witness both point to one man - Sebastian St. Cyr, Viscount Devlin, a brilliant young nobleman shattered by his experience in the Napoleonic Wars.

In 1851, private detective Laetitia Rodd is enjoying a well-earned holiday when she gets an urgent request for her services. Mrs. Rodd’s neighbor Jacob Welland is a reclusive rich gentleman dying of consumption, and he wants Mrs. Rodd to find his brother, who has been missing for 15 years. Joshua Welland was a scholar at Oxford, brilliant, eccentric, and desperately poor when he disappeared from the university. Friends claim to have seen him since, in gypsy camps and wandering around the countryside.