A fuel leak inside an ICBM silo creates a dangerous situation that sends the local military and civilian authorities into a panic.

During routine maintenance of a liquid-fuelled ICBM, the fuel tank is penetrated by a falling spanner. The film traces the efforts of the maintenance crew and associated military and civilian personnel to recover the potentially disastrous situation before the fuel tank is sufficiently depressurised that the stack collapses and explodes.—Mike McBain <[email protected]>