While taking part in a race with Spencer the Silver Streamlined Engine, Thomas the Tank Engine and his special friends Barney and Bear find an old abandoned steam engine named Hiro, who seems to be far from home. In an effort to stop Hiro going to the Smelter's Yard, Thomas and his Special Friends enlist all their friends to help repair Hiro. Will the engines and their heroes be able to save them from the villains' devious plan? Find out in this action-packed crossover movie adventure the whole family will enjoy!
