A collie undertakes a thousand-mile journey in order to once again meet her former master at the school gate.

Sold in financial desperation to a wealthy duke in the far north of Scotland, a collie undertakes a 1000-mile journey in order to be reunited with her former master in Yorkshire.

The Carraclough family is forced to sell Lassie when they fall on hard times. On her journey of 500 miles, Lassie faces dangers, natural and human, and finds help in unexpected places as she returns to her home and the boy she loves.