When the owner of a Yorkshire coal-mine decides to mechanize to increase profits, the mine's pit ponies are scheduled to be destroyed. So, three children plan to steal them to keep them safe. But when they're caught, it's up to the mine owners and the miners themselves to decide what's right.
Lord Harrogate
Richard Sandman
Luke Armstrong
Violet Armstrong
Dave Sadler
Alice Sandman
Tommy Sadler
Mrs. Sandman
Foreman Sam Carter
Bert
Ginger