Ken and Matt help out a Mexican DigiDestined, while Sora and Yolei help those in Russia and Siberia. Yolei and Sora are successful in Russia, but they are unable to defeat the Mammothmon in Siberia. Just in the nick of time, Imperialdramon rescues them and sends the Mammothmon back to the Digital World. The DigiDestined return home in time for Christmas, but while they were away, Arukenimon and Mummymon have been gathering children.