Documentary about British steam locomotives which takes a railway ride from North Wales to Kidderminster. The journey begins in the Welsh town of Blaenau Ffestiniog and continues through Doncaster, travelling onwards on the Severn Valley Railway and the West Somerset Railway. The programme features an array of trains including the LMS 48151 Gauge O Guild, the 60019 Bittern A4 Class, the 34070 Manston, the GWR 2807 and the GWR 6024 King Edward I 6000 Class.