On the fifth of November, 1605, a lone man waited in a cellar beneath the English Parliament, ready to ignite thirty-six barrels of gunpowder and change a nation forever. This is the story of the Gunpowder Plot, a meticulously planned coup born from religious persecution and radical faith. We dissect the anatomy of the conspiracy, from its fanatical architects to the single, cryptic letter that brought their world crashing down.