Heidi, a lively orphan girl, goes to live with her cranky grandfather in a little hut high in the Alps. Soon she is happy and healthy, leading a carefree life with her grandfather, her new friend, Peter, and the goats on the Alm.But Heidi's happiness is short-lived when she is sent to stay with a rich city family as a companion for a sick girl, Clara. Although she grows fond of the older girl, Heidi is terribly homesick. She eventually returns to the Alps and finds happiness once again in the clean, pure natural mountain setting.