Nick Martin's parents want him to be a Santa Claus but this turns out to be much more difficult than they expect.

When Mrs. Claus discovers that her husband, Santa Claus, is missing, she turns to her grandchildren, Marcia and Nick, to help her search for him in the North Pole. For most kids, Santa Claus is just a guy who comes down their chimney once a year. But he is much more than that to Nick and Marcia, he is their grandfather. So when Mrs. Claus calls to say that Santa has disappeared, Nick and Marcia head to the North Pole to start their search for Santa....