Helm is a ferocious, mysterious wind, who has blasted the sublime landscape of the Eden Valley since the very dawn of time. This is Helm's life story, formed from the chronicles of those it has enchanted - from a Neolithic tribeswoman to a Dark Age wizard priest, a Victorian steam engineer to a devoted farmer's daughter.
And then there is the scientist Dr Selima Sutar, surrounded by measuring instruments, alone in her observation hut today, who fears the end is nigh for this unique life force.