Findus and the Christmas Tomte

Snow is falling on Pettson's farm, and Christmas is approaching. Findus, the talking cat, tells Pettson that he is excited about the Yule Tomte visiting and bringing gifts. Oh dear! thinks Pettson, How can I explain that the Yule Tomte may not visit cats? So Pettson resolves to build a secret Tomte, what could possibly go wrong?