Set in 1910. Andy Robson is uprooted from his life in the pit community of Easington when his father is killed in a mining accident. Andy is sent to live in a remote part of Northumberland to live with his Aunt and Uncle. There he upsets his new schoolmaster, the school bully and the rest of the locals. It's here that he befriends a local boy Alec and young Victoria Dennison and comes to realise that there is another life outside of the village pit.
A confrontation with Billy Graggs, the school bully, pulls Andy out of favour with the village schoolmaster. Andy realises he has to learn a new way of life with some strange customs.
Andy, who loves animals, is given a special dog. Then he Is told rabies has broken out.
An unused twist to the new friendship between the children and a stranger becomes an experience neither Andy nor his friends will forget.
As park warden of the famous wild white cattle Adam Charlton is under pressure dismissal from Lord Rothwick for not being able to stop the poaching of the herd.
The body of a soldier buried many years ago is discovered.
In the last programme of the present series Andy’s preparations for the wrestling championship are interrupted by a dramatic incident on the fells.
The return of a new series set in Northumberland, a Royal Visit to Lilham brings celebrations for Andy and his friends. But these celebrations soon give way to urgent job.
Andy and his chums see a mysterious stranger on the sand dunes. Is he a spy?
The children help a Jamaican sea captain and become involved in searching for treasure.
Andy's uncle is missing on the treacherous moors and is presumed injured. Is there any way to help him? All seems lost—then Victoria meets a mysterious stranger.
While his uncle recovers from his injuries, Andy looks offer the wild cattle and befriends some travelling gypsies, which causes trouble.
Victoria is leaving for boarding school in Yorkshire but who are the new German family seen getting off the the train at Lilham?
Helga Mueller decides to demonstrate her skill as a horsewoman.
Have the children stumbled on kidnapping at the old house in the woods? Mystery woman in black, stolen dynamite, Russian terrorist, German diplomat—smashing stuff.
The children go on an exciting adventure ending at Durham jail with a shoot-out.
This busy children's adventure features a night out at the theatre, a backstage murder.
The evidence against Frederika Mueller seems conclusive, but the boys ask themselves: Surely there's someone who can help.
Andy leaves to return to his family—and the coal mine.
Andy tries to make the most of his time working in the pit, though he realises his responsibilities lie heavily with his family.