Godgifu cut him off. 'Sihtric believes that the prophecy is coming to its culmination, now, in our lifetimes.'

'In fact,' Sihtric said pedantically, 'in just a couple of years. And the prophecy says that you will be involved in this great crisis, Orm.'

'Me?'

'Well, your kind.' Sihtric's eyes were shining. 'I haven't quite worked it all out yet. The Menologium is gnomic. But it can't be a coincidence that a descendant of Egil Egilsson is here at such a time. I do know there will be a great struggle.'

'In two years' time, you say. The year 1066? How do you know that?'

'The prophecy,' Sihtric said, 'contains dates. And in this historic clash, Harold Godwineson will be pivotal.'

Orm drained his cup. 'My head's spinning,' he said. 'I don't know if it's these Norman spices or your English words, priest. What does Harold think of this?'

Sihtric sighed. 'He won't listen to me. I've tried, but he's reluctant.'

'Why do you believe he's so important? Is he named in the prophecy?'

'No. But he is the most powerful man in England – although he will never be king. He would not have it, and besides, the blood of Alfred doesn't run in his veins…'

It was all to do with the tangled history of kingly politics in England.

The flight to Aethelingaig had proven to be England's darkest hour. Alfred was remembered as the first and greatest king of a united England, though he left a country partitioned between English and Danes. It was left to his sons and grandsons to take back the 'Danelaw' from the Danish rulers – even though it would always be impossible to scrub Danish fashion, words and blood from the population.

But under the reign of Alfred's great-great-grandson Aethelred a new Danish threat emerged. The invasion of England became a policy of the Danish kings – and their resolve was stiffened when Aethelred ordered a massacre of all the Danes in England, one dark November day. Huge assaults brought about the conquest of the whole of England by a Danish monarch called Cnut, and for a generation England was part of a North Sea Empire including Denmark and Norway.

Harold's father, Godwine, had begun his career as a minor thegn in the land of the South Saxons. Now Godwine submitted to Cnut, and became the only survivor of a purge of the English nobility.

'He even married Cnut's sister-in-law,' Godgifu said. 'Harold's mother, Gytha.'

'This Godwine was a traitor to his king, then,' Orm said.

Sihtric shrugged. 'I think Cnut saw qualities in the man. A steadfastness. You need competent men to run a country, you know.'

When Cnut died his sons competed for the throne with King Aethelred's sons, Edward and Alfred. Alfred came back to England – and was blinded and killed. Though Godwine always denied responsibility, blame stuck to him. But the bloody events moved quickly, the sons of Cnut all fell, and soon Edward was the only surviving claimant.

Edward had grown up in Normandy. He had no English base of support, though he had Alfred's blood in his veins. He needed Godwine's help to take the throne. Godwine even pressured Edward to marry his daughter, Harold's sister Edith, whose womb proved barren.

'How King Edward must have hated Godwine and his strutting sons,' Orm said. 'This kingmaker who had killed his brother.'

'This was all before our time,' said Sihtric with a certain relish. 'But, yes, that's what the gossips say. It all came to a head some years ago…'

Godwine made an enemy of Robert, Archbishop of Canterbury, a Norman ally of Edward. A showdown came when another of Edward's Normans was mistreated in Godwine's territory. Godwine had to give up hostages to the King, including his own son Wulfnoth, another brother of Harold. Archbishop Robert fled to Normandy, and delivered Wulfnoth to Duke William.

And there Robert made a promise to William, on behalf of Edward.

'He promised William the throne of England,' Sihtric said. 'William already had a claim, of sorts, for Edward's mother was his great aunt, but it's a pretty spurious one. All malice, of course, a way to put a block on Robert's enemy Godwine.'

Orm grunted. 'And what did Godwine say to that?'

'Not much. He died soon after. And Harold was made Earl of Wessex. The King leans on him, despite the antics of his father.'

'And,' Orm said dryly, 'I am to believe that Harold has no desire for the throne himself.'

'No!' snapped Sihtric. 'You don't know the man. When it became clear that Edward was likely to remain childless, Harold went to Hungary to bring back Edward's great-nephew, known as Edgar the Atheling, the true heir. Harold went to fetch this boy. Now, is that the action of a man who seeks the kingdom for himself? When Edward dies, as he will soon, there will be challenges for his throne-'

'From William.'

'Yes. And from Harald Hardrada King of Norway-that's a complicated business to do with the sons of Cnut. Maybe there will be others. But Harold will work to secure the succession of the Atheling, the rightful heir, and thus to unite England.'

Orm snorted. 'So you like to believe.'

Godgifu said, 'My brother seeks to get involved in this tangled story. For he believes that through Harold's career his prophecy will be fulfilled.'

Orm studied Sihtric. 'It is a murky business, and dangerous too, to meddle in the destinies of kings. What's in it for you, priest?'

'He's ambitious,' Godgifu said immediately. 'He fancies an archbishopric some day – don't you, Sihtric?'

'I resent that,' said Sihtric pompously. 'I'm doing my holy duty. There is a tradition of clerical devotion to the Menologium, if you look at its history. And you are nothing but envious of me, sister, as you have been all your life.'

Godgifu pulled a face.

'So,' Orm asked, 'why has Earl Harold come here? Surely he's at risk.'

'He's come to make peace with William, if he can,' Sihtric said. 'For he knows William is dangerous.'

William, thirty-seven years old, had been born the illegitimate son of the Duke of Normandy by a tanner's daughter. It wasn't an auspicious birth, and woe betide you if you reminded him of it. When William's father died on a pilgrimage to Jerusalem the warrior-aristocrats of Normandy immediately turned on each other. William, only eight, never learned to read, but he learned to fight.

Northern Frankia, with a weak central monarchy, was split into dukedoms, all in a state of constant warfare. William was still in his early twenties when he started launching raids against his neighbours. Perhaps because he had been born out of sinful lust himself he became an austere, pious sort of soldier who slew with brutal efficiency and then prayed for forgiveness from a vengeful God.

'And now,' Orm said, 'he has his eyes on England.'

'Harold always seeks peace first,' Sihtric said. 'He knows that William, with this "promise" of Robert's in his pocket, will be a threat in the future. So he's come to seek an alliance with William, through a marriage to his own sister.'

'And Harold has also come for his brother,' Godgifu said. 'Wulfnoth, who has been a hostage of William's for more than a decade. That's why he's come here. As for the risk, you've met him, Orm. Harold can look after himself.'

'You think so?' Orm said dryly. There was a commotion outside, and Orm nodded to the tavern's open door. 'Take a look.'

Sihtric and Godgifu left the tavern, followed by Orm. And they saw the unmistakable figure of Harold, flanked by his brother and his other companions. His arms pinned by burly Normans, Harold, white with fury, was being led towards Odo's church.

Godgifu asked, 'Should we help?'

Orm shrugged. 'I owe him my life. I must.'

Sihtric hesitated. Orm saw calculation and cowardice warring in that thin face. Then the priest said, 'Yes. Yes, we must help.'

They hurried after Harold.