Heidi, a little Swiss orphan girl is taken by her Aunt Detie to live with her 'eccentric' grandfather.

His home is high up on the mountain slopes. Grandfather and Heidi get on very well together, and she settles happily into her new home.

She spends many enjoyable hours up on the high pastures with Peter, who looks after the villagers' goats.

She also very much enjoys visiting Peter's blind grandmother.

Three years later, her Aunt Detie, who is working in Frankfurt, Germany, comes to see her.

She takes Heidi to live in Frankfurt as a companion to a twelve-year-old girl called Clara Sesemann who is an invalid and is unable to walk.

As time goes by, Heidi becomes more and more homesick and she starts to sleepwalk; it is at this point that Clara's doctor insists that Heidi be allowed to return home.

Back in the mountains, Heidi shares her belief in God with Grandfather.

He is very moved and decides......