Thirteen year-old Nils Holgersson is bored dwelling on a farm with his parents. Instead of helping on the farm, he prefers to play pranks and tease animals. He wants to spend more time with a beautiful girl - Asa. One day life is unexpectedly changed Nils... Boy meets elf, who makes Nils shrinks to its size. What's more, Nils begins to understand animals and communicate with them. Gasior Bataki Martin and Raven became his friends. When Martin flies to Lapland with a group of geese, led by the wise Acre, Nils willingly joins them. Aka is confident that it can help Nils become a better person, and thus regain its normal growth. Meanwhile, Asa also travels to Lapland to find Nils.