An atmospheric journey back to the historic roots of the earliest Christians to reach the shores of Britain. The film includes a fascinating exploration of the Celtic way of life and the effect religion had on the fabric of Celtic society.

For nearly two thousand years, history has recorded the dramatic and moving stories of those who were prepared to pay the ultimate price for their faith. For these martyrs to Christ, nothing could deflect them from their chosen faith - even as they faced the hangman's rope or the licking flames of a burning fire.

Throughout the world, mankind is joined - but sometimes divided - by the depth and passion of his religious devotion. This film investigates the fascinating range of major religions from all over the globe and explores their differences and similarities. The program features all new location footage, expert comment and analysis,stylish reconstructions, period images, the religions and people.