1361. Plague has returned to England - 13 years after the devastation of the Black Death. As destruction advances towards his estate in Kent, Oswald de Lacy leads his family to the safety of a remote castle in the marshes - where his friend Godfrey is preparing a fortress to survive the coming disaster. The rules are clear: once the de Lacys and other guests are inside the castle the portcullis will be lowered and no-one permitted to enter or leave until the Pestilence has passed. And then a murderer strikes.       

England, 1176. Aelred Barling, esteemed clerk to the justices of King Henry II, is dispatched from the royal court with his young assistant, Hugo Stanton, to investigate a brutal murder in a village outside York. The case appears straightforward. A suspect is under lock and key in the local prison, and the angry villagers are demanding swift justice. But when more bodies are discovered, certainty turns to doubt - and amid the chaos it becomes clear that nobody is above suspicion.

Saker appears to be a simple priest, but in truth he's a spy for the head of his faith. Wounded in the line of duty by a Lascar sailor's blade, the weapon seems to follow him home. Unable to discard it, nor the sense of responsibility it brings, Saker can only follow its lead. The dagger puts Saker on a journey to distant shores, on a path that will reveal terrible secrets about the empire, about the people he serves, and destroy the life he knows.

Three young girls have been abducted from their homes. The body of one has been found in a shallow grave. The other two are still missing. The murder has shocked everyone in the peaceful city of Delft, and the mayor is desperate to catch the perpetrator before panic can spread any further. With the bitterly cold January weather intensifying, it is doubtful that the other two girls are still alive. But whoever took them is still at large.

The much-feared and hated Eudo - the Lord Bishop of Winchester's clerk - is bludgeoned to death in Pershore Abbey and laid before the altar in the attitude of a penitent. Everyone who had contact with him had reason to dislike him, but who had reason to kill him? The Sheriff of Worcestershire's thief taker, wily Serjeant Catchpoll, and his new and unwanted superior, Undersheriff Hugh Bradecote, have to find the answer. And as the walls of the abbey close in on the suspects, the killer strikes again....

LONDON, 1590. Queen Elizabeth I's control over her kingdom is wavering. Amidst a tumultuous backdrop of Spanish plotters, Catholic heretics and foreign wars threatening the country's fragile stability, the body of a small boy is found in the City of London, with strange marks that no one can explain. When idealistic physician Nicholas Shelby finds another body displaying the same marks only days later, he becomes convinced that a killer is at work, preying on the weak and destitute of London.  

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? 

Hugh of Singleton, fourth son of a minor knight, has been educated as a clerk, usually a prelude to taking holy orders. However, feeling no certain calling despite a lively faith, he turns to the profession of surgeon, training in Paris and then hanging out his sign in Oxford. A local lord asks him to track the killer of a young woman whose bones have been found in the castle cesspit. She is identified as the impetuous missing daughter of a local blacksmith, and her young man, whom she had provoked very publicly, is in due course arrested and sentenced at the Oxford assizes.

Wounded in love, tormented by his past, Shakespeare's most complex villain is brought magnificently to life in this tale of two adversaries - one an accused killer; the other, one of the most powerful men in Venice. Having escaped from Cyprus, accused of the murders of the governor, known as the Moor, and his lovely young wife, Iago is now locked in battle with Annibale Malipiero, known as Il Terribile, the chief inquisitor of Italy's greatest city. Malipiero is repelled by the more brutal tasks of the interrogante. His obsession is with the very nature of evil.

1603. Former ship's surgeon Gabriel Taverner is attempting to re-establish himself as a physician in rural Devon but it's not easy to gain the locals' trust and a series of disturbing incidents convinces him that at least one person does not welcome his presence. Called out to examine a partially decomposed body found beside the river, Gabriel discovers he has a personal connection to the dead man.

Lukas has been apprenticed to work for Emperor Rudolph II. The reclusive emperor collects wonders from around the world, all crammed into four rooms. Not everyone is charmed by his eccentricity though, and when a group of diplomats arrives, sent by the King of Spain, Lukas senses danger. But if he is to protect the great Bohemian from tyranny Lukas must first learn the true meaning of trust, honour and friendship.

It is the autumn of 1278. The harvest is in. The air is crisp. Dusty summer breathes a last sigh before the dark seasons arrive. For Prioress Eleanor, dark times arrive early in Norfolk. The head of her order, Abbess Isabeau, has sent Father Etienne Davoir from their headquarters in France to inspect all aspects of Tyndal Priory, from its morals to its roofs. Surely the abbess would not have chosen her own brother for this rare and thorough investigation unless the cause was serious and she had reason to fear intervention from Rome.

In 1360 Edward III issues a call to arms, as sporadic attacks by the French threaten to turn into a full-blown invasion. In Cambridge, fear of the enemy is magnified by the belief that foreign agents are lurking in the area. Tension runs ever higher as rumours and ignorance fan the flames of suspicion amid preparations for war. And then the first murder occurs - of a French scholar living in the town.

September 1940 is finally drawing to a close. With London having endured the Blitz for nearly a month, people are calling for vengeance: Britain should retaliate even harder with their own bombing campaign in enemy territory. But once again the night heralds more destruction. At Custom House, anxious residents dutifully head to the nearest public air-raid shelter as the warning siren wails. When dawn brings the all-clear people disperse, but one man remains - he's dead, stabbed through the heart.

Rebellion has always been in the O'Reilly family's blood. So when faced with the tragic death of her brother during Northern Ireland's infamous Troubles, a teenage Nora joined the IRA to fight for her country's freedom. Now, more than a decade later, Nora is haunted by both her past and vivid dreams of a man she has never met. When she is given a relic belonging to Brigid of Kildare, patron saint of Ireland, the mystical artifact transports her back eighty years - to the height of Ireland's brutal civil war.