Source: Web-Rip 532p. Enemy saboteurs infiltrate the industrial suburbs of London, intending to disable power generating stations in London (three stations there; and five other stations located strategically throughout the U.K.) Their motivation is to cripple the British economy and enable subversive forces to insinuate themselves in the government. The saboteurs are thwarted not by the traditional counter-intelligence agents but by workaday London police officers.