Emperor Hadrian has a new frontier to build but before he can do so then his overworked auxiliaries will have to put down a rebellion of the Brigante and capture the Irish slave raiders who have taken many captives from the heartland of Britannia. Fighting beyond the shores Britannia the cavalrymen have to defeat the Red Witch once more but this time Macro has to face his final demon and deal with the evil that is Morwenna.