At the dawn of the 20th century, following their father's arrest on suspicion of betraying state secrets, the three Waterbury children—Bobbie, Phyllis and Peter—move with their mother to Yorkshire, where they find themselves involved in unexpected dramas along the railway by their new home.


Bobbie

Jenny Agutter
Mother

Michael Kitchen
Father

Gregor Fisher
Perks

Amanda Walker
Mrs Ransome

Clive Russell
Station Master