A discussion of how the geography of Britain has shaped political events over the centuries introduces you to the significance of English history between the 5th-century fall of the Roman Empire and the 1485 advent of the Tudor dynasty.

The collapse of Roman rule, arrival of barbarian raiders and settlers, and resistance to Germanic immigration serve as a backdrop to a tantalizing mystery. Examine the evidence as to whether the unidentified champion who temporarily halted the advance of the barbarians could have been the King Arthur of later legend.

See how the victories of the shadowy figure possibly identified with Arthur offered only temporary stability, with the initiative soon shifting to the Germanic immigrants. Examine what we know about the societies that produced them and how their laws and culture were transformed by contact with Britain's.

Follow the parallel stories of the conversion of the Anglo-Saxons to Christianity and the emergence of England's seven preeminent regional kingdoms. Those kingdoms drew—depending on their location—upon two different sources of Christian influence and custom.

Watch as the one- or two-boat raids of the late 8th century grew into vast armies of 50 ships or more by the middle of the 9th. Intent on settling permanently, the invaders' influence in eastern England would be profound, with patterns of landholding, legal institutions, and even language altered forever.