Brrr! It's cold! Christmas is approaching in Highland Falls. Andy and Anna decide to write letters to Santa Claus. Amid the holiday cheer, both siblings decide it's time to find out if Santa Claus really exists! Late on Christmas Eve, a plan is hatched to stay up all night and catch Santa delivering presents. At first, everything seems to be normal. But soon, a mysterious noise wakes Andy and Anna from their sleep. Now, with the help of their trusty velociraptor, Tennyson, they set out to discover the truth behind old Saint Nick!