Orphaned at an early age, Heidi has been brought up by her mother's sister Dete in Switzerland. Having been offered a job in Frankfurt, however, her aunt is forced to entrust her young charge into the care of her grandfather, the reclusive Alp-Uncle who lives in the mountains without any interaction with the villagers beneath. The curmudgeonly old man is initially reluctant to accept the new arrangement, but his grand-daughter's warmth, cleverness and exuberance soon win him over, while Heidi le ...