Three years have passed since the Claudian invasion of Britannia in AD 43. Caratacus has been forced to retreat to the west, where he now leads the free tribes against the Roman occupation of their land. From his mountain stronghold, he launches devastating attacks upon the legions seeking retribution for the death of his brother and thousands of Britons. The war has just begun, but it's not a war that Rome is used to fighting as Caratacus' warriors...