Exploiting the power vacuum created by the United States withdrawing into isolationism, the Soviet Union, although unable to mount a credible counter-strike, shocks the new American President with an audacious and bold display of military power and a nuclear assault on Britain. A traumatised British government and Prime Minister, already reeling from a sustained assault by Trade Union anarchy, is further undermined by the extreme Right which succeeds in capturing the public's confidence and support