Documentary charting the military course of the Great War. Expert commentary, stills, letters, diary entries, paintings and vivid film footage drawn from 40 archives around the world bring to life the experiences of those who fought the war on every side and every front. Narrated by Dame Judi Dench and featuring the voices of Liam Neeson, Ralph Fiennes, Natasha Richardson, Imogen Strubbs, Helena Bonham-Carter, Helen Mirren, Jeremy Irons, Tom Fleming and Tim Pigott-Smith.