Tom stumbles across strange activity in an abandoned house, and aboard an historic train.

During a long, cold winter in his home town, young Tom Austen stumbles across some strange activity in an abandoned house. Through the snowy streets of Winnipeg, aboard the historic Prairie Dog Central and during a Ski-Doo chase beneath the Northern Lights, Tom unravels the secret of The Golden Child and in the process realizes that the safety of one of his friends depends on him