Churches are all around us. Their steeples remain landmarks in our towns, villages and cities, even as their influence and authority has waned. They contain art and architectural wonders - one huge gallery scattered, like a handful of jewels, across these isles. Peter Ross sets out to tell their stories, and through them a story of Britain. Join him as he visits the unassuming Norfolk church which contains a disturbing secret, and London's mighty cathedrals with their histories of fire and love. Meet cats and bats, monks and druids, angels of oak and steel.