Even Paul Farley is uneasy, as living targets are lined up to test the Krautz alloy metal.

Can David and Pat outwit the villains who become increasingly reckless under Johnny Johnson?

Suspense-packed thriller serial.

Written by Edward J Mason.

Starring:

Ysanne Churchman
Anne Cullen
Chris Gittins
Arnold Peters
Bernard Rebel
Eddie Robinson
Dudley Rolph
June Spencer
Peter Wilde
Harry Stubbs

Producer Philip Garston-Jones

First broadcast on the BBC Midland Home Service in November 1954. Show less