Barbs — Bill Walsh

Once again, champion angler Mal Williams is forced into the role of reluctant detective. Dangerous drugs are being stolen from a London chain of chemists, and Mal is called in to find out who the culprit is and how it is being done. Despite his lack of knowledge about narcotics and his unfamiliarity with London, Mal manages to discover who is masterminding the operation - then his troubles really begin...