Following a murder at the circus, the race is still on for David and Pat to get to the bottom of the mystery about the secret new super metal.

Suspense-packed thriller serial.

Written by Edward J Mason.

Starring:

Ysanne Churchman
Anne Cullen
Arnold Peters
Bernard Rebel
Dudley Rolph
Gerik Schelderup
June Spencer
Willkiam Avenall
Peter Wilde

Producer Philip Garston-Jones

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