The novel is based on the fictional "Everhard Manuscript" written by Avis Everhard, which she hid and which was subsequently found centuries later. In addition, this novel has an introduction and series of (often lengthy) footnotes written from the perspective of scholar Anthony Meredith. Meredith writes from around 2600 AD or 419 B.O.M. (the Brotherhood of Man). Jack London writes at two levels, often having Meredith condescendingly correcting the errors of Everhard yet, at the same time, exposing the often incomplete understanding of this distant future perspective.Meredith's introduction also acts as a deliberate "spoiler" (the term did not yet exist at the time of writing). Before ever getting a chance to get to know Avis and Ernest, how they fell in love or how Avis became politically involved, the reader is already told that all their struggles and hopes would end in total failure and repression, and that both of them would be summarily executed. This gives all that follows the air of a foreordained tragedy. There is still left the consolation that a happy end would come for humanity as a whole - though hundreds of years too late for Avis and Ernest as individuals; the cruel oligarchy would fall, and the two will be vindicated and respected by posterity as pioneers and martyrs. The book begins with the acquaintance of Avis Cunningham, a daughter of a renowned physicist with the socialist Ernest Everhard. At first, Avis does not agree with Ernest in that the whole contemporary social system is based on exploitation of labour. However, she proceeds to investigate the conditions the workers live in and those terrible conditions make her change her mind and accept Ernest's worldview. Similarly, Bishop Morehouse does not initially believe in the horrors described by Ernest but then becomes convinced in their truth and is confined to a madhouse because of his new views.The Manuscript itself covers the years 1912 through 1932 in which the Oligarchy (or "Iron Heel") arose in the United States. In Asia, Japan conquered East Asia and created its own empire, India gained independence, and Europe became socialist. Canada, Mexico, and Cuba formed their own Oligarchies and were aligned with the U.S. (London remains silent as to the fates of South America, Africa, and the Middle East.)In North America, the Oligarchy maintains power for three centuries until the Revolution succeeds and ushers in the Brotherhood of Man. During the years of the novel, the First Revolt is described and preparations for the Second Revolt are discussed. From the perspective of Everhard, the imminent Second Revolt is sure to succeed but from Meredith's frame story, the reader knows that Ernest Everhard's hopes would go unfulfilled until centuries after his death.