When Alfie Blackdale is brought home from boarding school by his father, he expects to lead the normal life for a teenager. How wrong he is Soon, he is dragged onto the Golden locomotives' most important Express train of the year, hauled by one of his family's most prized railway engines.
The day goes off without a hitch until unexpectedly the engine is derailed and almost reduced to scrap, so risking the family "empire" for good. Along with new-found friends, and a sense of adventure that he never knew he had, Alfie sets out to save his father's engine, but most importantly, to find himself as well.