Early orphaned Heidi, her aunt, Dete forced to send education to morose and unsociable grandfather, living as a hermit in the Swiss Alps. Gradually, good nature girl warmed distrustful soul of the old man, and growing in the wondrous nature Heidi feels very happy.But one day, at the insistence of his aunt, Heidi leaves the mountains and goes to the stuffy city to help a paralyzed girl.