Neil Oliver travels back to Ice Age Britain as he begins the epic story of how the land and its people came to be over thousands of years of ancient history. The Ice Age saw a struggle for survival in a brutal world of climate change and environmental catastrophe.

In part two, Neil Oliver continues the story of how today's Britain and its people were forged over thousands of years of ancient history. It's 4,000 BC and the first farmers arrive from Europe, with seismic consequences for the local hunter-gatherers.

In part three, Neil Oliver continues his journey through the world of Ancient Britain as he encounters an age of cosmological priests and some of the greatest monuments of the Stone Age, including Stonehenge itself. This is a time of elite travelers, who were inventing the very idea of Heaven itself.

In part 4, the series finale, Neil Oliver reaches the end of his epic tour of our most distant past with the arrival of metals and the social revolution that ushered in a new age of social mobility, international trade, and village life.