Historian Roberto de Mattei examines the hidden dimension of history through the lens of congiure, conspiracies, and plots, revealing how secret agreements, ideological movements, and elusive schemes have shaped the past five centuries. From Renaissance poisons to Enlightenment revolutions, from Catherine de’ Medici’s fabricated plots to the rise of modern secret societies, de Mattei traces the connections between power, ideology, and the occult. He explores the psychological and political forces behind conspiracy theories, the influence of figures like Machiavelli, and the ongoing attempts to destabilize Christianity and Western civilization. By distinguishing true conspiracies from fabricated ones, this book equips readers to discern deception, confront spiritual and cultural threats, and remain grounded in truth amid modernity’s matrix of lies.