Late one Christmas Eve, a boy boards the Polar Express, bound for the North Pole. When he arrives, Santa offers him any gift he desires, and he discovers that Christmas is for those who truly believe.
A new airport is going to be built on the Island of Sodor. The trains, which are already very busy, become even busier as construction begins. There are many mishaps along the way and the engines will have to work together in order to get everything working properly.