Lord Ashfordly is concerned about falling royalties from High Rigg Quarry and asks Blaketon to investigate. The police are concerned about a quantity of explosives which have gone missing from the quarry just before a visit by the defence minister.
| Creator | Keith Richardson |
|---|---|
| Actor | Derek Fowlds, William Simons, Tricia Penrose |
| Country | United Kingdom |
| Production | Yorkshire Television |