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.
Phyllis
Peter
Bobbie
Mother
Father
Perks
Mrs Ransome
Station Master
The Old Gentleman
Dr Forrest
Mrs Viney
Mr. Szczepansky
District Superintendent
Mrs Perks
Jim
Cook
Ruth
Aunt Emma
Bargee
Bargee's Boy
Engine Driver
Fireman
Son of Perks
Draper's Boy
Draper
