Little orphan Heidi is sent to live with her grandfather in the Swiss Alps by her aunt Detie. She soon begins to enjoy her life with her grandfather and falls in love with nature. Heidi never stops being in awe of the sights and the sounds of the Swiss Alps. Very soon she is taken away to Frankfurt her aunt, to be a companion to a rich, Lonely girl Clara forges a deep friendship with her. While staying there, she faces many challenges and deals with them in her innocent and child-like way.