Silent, intimidating, built from the rocks of the rough battered landscape it dominates, the wall is all that stands between Roman Britain and the barbarian wilderness beyond. The soldiers who patrol the wall are a special breed, tough and weather worn like the very structure they defend. This is the story of one such man, Sulla, one of the thousands of Roman legionaries whose very life is tied inextricably to the great wall. For Sulla's destiny is the inevitable encounter with the painted enemy and the hidden nightmare of his unknown fears that await beyond the relative safety of the battlements...