Heidi is happy. Meadows, forests, mountains and Ziegenpeter as a friend of her. On the meadow with her grandfather, it's perfect and it feels incredibly comfortable. But Aunt Dete comes and wants to take Heidi back in the city of Frankfurt. Far from the mountains, from the grandfather, Peter and the beloved mountains. Many houses and an incredibly strong woman named Rottenmaier makes it not easy for Heidi to life in Frankfurt. Heidi was homesick and would prefer right again back to her grandfather in the mountains.