It's 44 AD, and as Vespasian and the Second Legion forge ahead in their campaign to seize the south-west, Macro and newly-appointed centurion Cato are ordered by Vespasian to provide Verica, aged ruler of the Atrebates, with an army. They must train his tribal levies into a force that can protect him, enforce his rule and take on the increasingly ambitious raids that the enemy is launching. But despite the Atrebates' official allegiance to Rome, open revolt is brewing, for many are wary of the legions and want to resist the Roman invaders. Macro and Cato must first win the loyalty of the disgruntled levies, before tackling the enemy without. But can they succeed whilst surviving a deadly plot to destroy both them and their comrades serving with the eagles? In the midst of this highly volatile situation, Macro and Cato face the greatest test of their army careers as only they stand between the destiny of Rome and bloody defeat...