The small village of Maldon is controlled by the wealthy and rapacious FitzCorbucion family, led by Hamo FitzCorbucion, the lord of Blackwater Castle. When his eldest son, Guy, is found murdered, an enraged Hamo demands justice. Into this charged atmosphere arrives a tribunal, led by soldier Ralph Delchard and lawyer Gervase Bret. Surveying the lands of Maldon, the tribunal detects irregularities in various deeds, and plans to call the FitzCorbucion family to account.

1296: King Edward I has led his army to Scotland, determined to take the country under his crown. But the fierce Scots have no intention of submitting to their oppressor and violent and bloody war breaks out. 1311: Sir Hugh Corbett, Keeper of the Secret Seal, finds himself back in Scotland and is revisited by the horrors he witnessed there 15 years ago. An anonymous letter was delivered to the new king. It promised information about a fatal incident that could allow England to finally bow out of the war with the Scots. Tasked with finding out the truth about the murder, Corbett is forced to take risks he would rather avoid and put his faith in the words of strangers. 

January, 1381. As guests of the Regent, John of Gaunt, Brother Athelstan and Sir John Cranston are attending a mystery play performed by the Straw Men, Gaunt’s personal acting troupe, at St John’s Chapel in the Tower of London when the evening is rudely interrupted by sudden, violent death. Who would have the audacity to murder two of Gaunt’s VIP guests and the wherewithal to strategically position two severed heads on the stage without being noticed? The regent orders Athelstan to find out.

The frontier zone of Archenfield in Herefordshire is a no-man's-land, which acts as a bulwark between Norman-controlled English soil and the Welsh border. Soldier Ralph Delchard and lawyer Gervase Bret arrive in Hereford for what looks like one of their more straightforward assignments from the crown, to settle conflicting claims to land in Archenfield. Ralph and Gervase are shocked to discover the murder of a principal witness, a wealthy landowner who was burned alive in his own home. No clues remain except an enigmatic red dragon cut into the turf in front of the house.

Soldier Ralph Delchard and lawyer Gervase Bret lead a group of the king's finest commissioners into the war-torn lands of Yorkshire to settle land claims and compile the Domesday Book. One island of wealth and luxury remains in Yorkshire: the castle of merchant Aubrey Maminot. There the commissioners learn of two great terrors: the rogue Olaf Evil Child, a hero of the poor and conquered Saxon people, and the ravenous lions Aubrey Maminot keeps as pets. 

Ralph Delchard and Gervase Bret are royal commissioners appointed to investigate irregularities that come to light during the compilation of the Domesday Book in the reign of William the Conqueror. They arrive in Canterbury to be met by the news that the body of a young girl has been found, apparently killed by a poisonous snake. Their investigation takes them to the leper hospital in Harbledown where the girl used to take herbs. Once they establish that she was murdered by human agency, they begin to uncover all sorts of hidden secrets in the town....

Cold-blooded murder has transformed Simon Puttock's official obligation into something horrid, and he will need the able assistance of his friend, Sir Baldwin Furnshill, to draw a criminal out. A former Knight Templar, Sir Baldwin knows much of duty and servitude and of evil freely indulged in the name of godliness or greed. Now, justice must be served, even if their search exposes extortion, foul corruption, rule by fear, and killers willing, even eager, to shed more blood.

When the mutilated body of midwife and healer Agatha Kyteler is discovered in a hedge one frozen wintry morning, it seems at first that a lack of clues will render the crime impossible to solve. Then a frightened local youth inexplicably flees his village, and a hue and cry is raised in his wake. Sir Baldwin Furnshill, once a Knight Templar, has doubts about the boy's guilt. He enlists his friend Simon Puttock, bailiff of Lydford Castle, in the hunt for a murderer.

December, 1380. When the corpse of Sir Robert Kilverby is discovered in a locked room, Brother Athelstan accompanies the King’s coronor to investigate. For the late Sir Robert had in his possession a sacred bloodstone which he was planning to donate to the Abbey of St Fulcher-on-Thames.

A wealthy merchant has been murdered in his own home, and the suspect has fled to sanctuary in a local church. Enter Sir Faucon de Ramis, the king's new keeper of the peas, to solve the murder, assisted by his prickly secretary, Brother Edmund. This time, the hunt leads Sir Faucon into the upside-down world of a woman's trade where the merchant's wife owns the business - Unheard of! - only to discover he isn't the only one on the hunt.

September 1143. Bradecote is a minor landowner and newly appointed under-sheriff. His sergeant, Catchpoll, is a weather-beaten, wily and experienced thief-taker who always looks to be one step ahead of any villain. Bradecote though quite new to the job brings an effectively analytical eye to the investigation. A series of fires around the city seem linked, and Bradecote and Catchpoll have to piece together the vengeful motive that links them in order to uncover the arsonist.

Spiritualism has captured the public’s imagination. Séances are all the rage, and Detective Ian Hamilton’s otherwise sensible aunt Lillian is not immune to their allure. But for Ian, indulging her superstitions has its limits. When members of Lillian’s circle of séance friends begin turning up dead, Ian doesn’t need a medium to tell him these aren’t freak accidents. 

1820s Britain: after the wars with France, when unemployment was high and soldiers could be paid off, when the government was desperately afraid of social unrest, any crime was drastically punished and thousands were hung. But one could petition the King and an investigation might ensue…. The man in the dark cell in Newgate Prison was due to hang in a week. He had been found guilty of murdering the aristocrat whose portrait he was painting.

When an unwelcome visitor arrives at Hild's monastery, Fridgyth the herb-wife is forced to hold her tongue. The widow of the fierce Mercian king, who once brought death and destruction to the coastal community, is an uneasy sight for many. Although everyone is thankful for Northumbria's fragile peace, painful memories are still fresh, and some can think of nothing but revenge. A young tanner is found dead after a mysterious liaison - his brother is nowhere to be seen, and the boy who used to help him is terrified to speak. 

When a man’s naked corpse is found strapped to a waterwheel, newly appointed Inspector Haze is called upon to investigate the crime. With the help of American surgeon Captain Redmond, he delves into the life of Frank Darrow, a man who inspired such hatred, his mere death wasn’t enough to satisfy his killer. Finding few clues and no obvious motive for the murder, Redmond and Haze must peel away the layers of Frank Darrow’s relationships to get to the shocking truth, while also coming to terms with unexpected developments in their own lives.