Tony Robinson returns for a new three-part series of Walking Through History, embarking on more spectacular walks through some of Britain's most historic landscapes in search of the richest stories from our past. In this first episode, Tony heads off for a 45-mile walk across Wiltshire to tell the story of life and death in the last centuries of the Stone Age. His route over chalk downlands and Salisbury plain takes him through the greatest concentration of prehistoric sites in Europe.