This episode covers the invasion of Britannia in 42 CE by emperor Claudius. Emperor Claudius, driven by politics and a need to establish his value, has dispatched the Second, Ninth, Fourteenth, and Twentieth legions to Britannia. The British warriors tribes managed to hold their own against the power of Rome twice before, and against Rome’s most famous General, but will they be able to withstand the sheer destruction that four legions can bring? Only time will tell.