Whizzy is a little mouse, Whitebelly is a fox. They are naturally mortal enemies. One day, after an unfortunate accident, both meet in animal heaven. Together, they will embark on a fantastic journey and discover friendship can overcome everything.

Two families, Sebkovi and Krausovi, are celebrating Christmas, but not everyone is in a good mood. The teenage kids think that their fathers are totally stupid, and the fathers are sure that their children are nothing more than rebels, hating anything they say.