This is the story of a young hero boy on Christmas Eve who boards on a powerful magical train that's headed to the North Pole and Santa Claus's home. What unfolds is an an adventure which follows a doubting boy, who takes an extraordinary train ride to the North Pole; during this ride, he embarks on a journey of self-discovery which shows him that the wonder of life never fades for those who believe.

 
http://www.imdb.com/title/tt0338348/