Heidi's Song

Heidi, an orphaned girl, lives with her grandpa in the Swiss Alps, bringing joy to those around her. She is sent to Frankfurt to live with a wealthy family, where she befriends the invalid girl Klara. Heidi's presence brings joy into Klara's life, but their happiness is threatened when Klara's father returns, and they embark on a journey to the Wunderhorn, where Heidi is reunited with her grandfather, ultimately helping Klara regain her mobility.