In the summer of AD 44, tense undercurrents amongst the tribe of nominally friendly Atrebatans are ready to explode into open revolt. It falls to Centurions Macro and Cato to provide aged ruler Verica with an army. With a scratch force of raw recruits, unversed in the techniques of war, they must find and destroy a cunning opponent. But can they do this whilst surviving the deadly cross-currents of plotters threatening to destroy not only Macro and Cato, but all their comrades serving with the Eagles?