Tightrope

Sixth-former Martin Clifford is plunged into the world of espionage and sabotage when he and his class see schools programmes from "The Voice of Truth". Forrester, an Intelligence officer, informs him that spies are planning to sabotage a local US Airforce base in his village. Can he identify "The Voice of Truth" in time?

Not available to stream in your country yet.

First Aired

Jan 19, 1972

Last Aired

Apr 12, 1972

Episode Runtime

30m

Country

GB