The night passed quietly. Cato took an early watch, sitting in the dark shadows under a tree and keeping watch over the milky wet sheen of the surrounding marsh, bathed in the silvery glow of a bright crescent moon. Down in the camp all was silent, the men having quietly gone to rest under the brooding menace of the optio’s gaze. The confrontation had ended for now, but Cato knew that the officers and men would be at each other’s throats at the slightest provocation from now on. The ties of training and tradition that still bound them together were unravelling far faster than he had anticipated, and soon all that would remain would be a band of wild men desperate to survive each other, as much as survive the hostile territory that surrounded them.

He had failed, Cato judged himself. He had failed his men, and there was no shame greater than that. And as a result of his failure they would all die in this forsaken wasteland at the heart of a barbarian island.

Despite his tortured reflections on his failure, Cato shut his eyes almost as soon as he had curled up on the ground. He was far too tired to be afflicted by those edgy dreams that usually plague troubled minds, and fell into a deep, dark sleep.

A hand shook him awake and, after a moment’s disorientation, Cato sat up and squinted into the face that loomed over him. ‘Figulus. What is it?’

‘Shhh!’ the optio whispered. ‘I think we’ve got company.’

The shroud of sleep slipped from Cato at once and instinctively he reached for his sword. Around them a thin mist wreathed the camp, and obscured any detail beyond twenty or thirty paces away. A light dew beaded Cato’s filthy tunic and the air smelled of damp earth. ‘What’s happening?’

‘Sentries say they can hear men moving close by. Sent for me at once.’

‘And?’

‘I heard it too. Lots of men.’

‘Right. Wake the others. Quietly.’

‘Yes, sir.’

As the hulking mass of the optio glided away into the mist, Cato rose to his feet and padded softly across to the path that led up from the clearing to the small hummock where the sentries kept watch. When he reached them, Cato crouched down. He didn’t have to ask them to report; the air was filled with the faint clinking of equipment and muffled voices softly passing on instructions that Cato could not quite make out. Even as he crouched, straining his ears, the sounds came closer, all around them.

‘We’re surrounded,’ whispered one of the legionaries, turning to Cato. ‘What do we do, sir?’