The orphaned child Heidi is five years old when she has to move in with her grandfather, who lives a reclusive life in a remote mountain cabin. The grumpy old man, known to everyone as Alm-Öhi, is initially not very pleased that he now has to take care of his granddaughter. However, the lively little Heidi quickly wins his heart and grows more and more fond of life in the mountains. Heidi loves animals, and soon she is herding goats with her new friend, Peter, and taking care of the little goat Schnucki, the bird Pieple, and the St. Bernard Joseph. But then Heidi suddenly learns that she has to return to the big city. Included episodes: Peter's Treasure, Attack on the Treehouse, Heidi Saves Snow Eye.