It is AD 54. The soldiers of the Roman army patrol a growing Empire, from the Mediterranean to the North Sea, from the Atlantic to the banks of the Nile. Rome brutally enforces its rule, and its legions are the most efficient and aggressive fighting force in the world. Two battle-scarred veterans of this army, Prefect Cato and Centurion Macro, have survived years of campaigning in Britannia and have been recalled to Rome.
Their time in the teeming, dangerous