Miles Kington experiences the power of a London, Midland & Scottish Railway (LMS) Stanier 'Black Five' on a journey from Fort William across the western Highlands via Glenfinnan to Mallaig. While observing breathtaking scenery and stunning engineering achievements, including Glenfinnan viaduct, Kington uncovers what the West Highland Line meant to the traditional crofting communities that had been devastated by the Highland clearances.