Former steel worker Harry Perkins has, against all the odds, led the Labour Party to a stunning victory at the general election. His manifesto includes the removal of American bases, public control of finance, and the dismantling of the newspaper monopolies. The Establishment is appalled by the prospect, and secretly decides that something must be done. As MI5 conspires with the city and the press barons, Perkins the PM finds himself in a no-holds-barred battle for survival.