After his defeat at Waterloo in 1815, his victors united to maintain the old order, suppress of all opposition, and ferret out of the conspirators whom they believed to be plotting mayhem and murder in the shadows. In this ground-breaking study best-selling historian Adam Zamoyski exposes their pusillanimous yet cynical recourse to the police spy and the bayonet, which only intensified their own fears and pushed ordinary people towards subversion, building up the pressure of opposition to their rule. When it came, with the revolutions of 1848, the dreaded cataclysm revealed their fears to have been groundless; the masses stirred into revolt by hunger and oppressive living conditions were leaderless and easily pacified. There never had been any conspiracy. But the police were there to stay, and the paradigm of an order threatened by dark forces is also still with us today. This compelling history, occasionally chilling and often hilarious, tells how the modern state evolved through the expansion of its organs of control, and holds urgent lessons for today.