It's Christmas Eve and Santa is making his rounds when his reindeer come across a lost kitten named O'Malley. With no home and the freezing snow the Reindeer rescue the kitten but must keep this from Santa. Only those born in the North Pole can live there.

After arriving back at the North Pole all the residents scurry about trying to save O'Malley; even Wilma the mouse and her family. The elves agree O'Malley must be kept a secret, but then O'Malley goes missing. Follow along as they search for the tiny kitten and see if Santa discovers "A Christmas Secret."