The work of Peter Ketley on Fisheries Research in Devon is being disorganised by a mysterious new method of salmon poaching. His young brother Bob, with the help of two children from London, eventually uncovers and catches the poachers.
Length 55 minutes
Jeremy Bulloch | Joanna Horlock | James Luck | Anthony Parker | Larry Burns | Bruce Wightman | Michael Collins | Lane Meddick | Armine Sandford | Ben Williams