This story begins at a lake flooded by the sea, continues across a country in the grip of the war and spreads across a maze of trenches on the banks of a river that acts as the frontier with a bad dream. It's the story of a mystery; of the Scottish soldier Elgin Gairloch, recruited to fight in France, and how he returned home following the last battle of the Somme in the spring of 1918. There are characters who lose their voices, blind soldiers who never regain their sight, a hospital with closed doors and a fleeting glimmer that crosses the window of a house in a city consumed by fire. A ghost story, 'La sombra blanca' ('The White Shadow') is a piece for several voices set in the trenches of the First World War. "Many of the soldiers who arrived with me are no longer here. But I dream of them.".