In the dead of night, Guy Fawkes, a radical Catholic, was lurking in the dimly lit cellars of the Houses of Parliament, surrounded by 36 barrels of gunpowder. His sinister plan was to blow the entire building to smithereens, killing King James I and the entire British government in one fell swoop. But, just as he was about to spark the fuse, he was caught red-handed by the authorities, thwarting his daring plot to rewrite the course of British history.