Based on the ever-popular children's' novel by Johanna Spyri, "Heidi" follows the adventures of an indomitable young girl, forced to move to her grandfather's hovel high up in the Swiss Alps, where she she surprises all by settling in to a firm friendship, not only with her somewhat grouchy relative, but also with a new friend Peter, the goat-herder.
Felix perdeu-se da sua amiga Sofia a acaba por dar a volta ao mundo na tentativa de procurar o caminho de volta a casa. Nessa viagem feliz encontra-se com muitos personagens criados pelos livros de histórias infantis.
