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1 June 1914. Hugh Stanton, a retired special forces officer and famous adventurer, is the loneliest man in the world. Those he knew and loved had not yet been born. Perhaps now they will never be born. Only Stanton knows that a great, terrible war is coming. A collective suicidal madness that will destroy European civilisation and plunge millions of people into suffering. The twentieth century will be the century of the Great War, which will take hundreds of millions of lives. And only Stanton knows this, because for him this century is already history: he came from the future, using Isaac Newton's discovery, which he bequeathed to be made public a century after his death. Hugh Stanton has a mission - he is called upon to change the terrible history of his century, to turn the "century of death" into a Golden Age. He must prevent war. A war that can be started with a single shot. But can one bullet destroy an entire century? And if so, can another single bullet save it?

Ben Elton's novel is an amazing adventure in time, in a number of alternative versions of the twentieth century, among which our own is not the worst.