London, 1605. Robert Catesby, a 33-year-old Warwickshire gentleman, devises a plot to blow up Parliament and and kill the king. Set in the year 1605 and chronicles the attempt made by Fawkes and a group of provincial English Catholics to blow up the House of Lords and kill King James I, all in an effort to help restore a Catholic to the crown. Among them was Robert Catesby, who was said to be the mastermind behind the operation. The plot was ultimately thwarted by authorities after explosives were spotted near Westminster Palace.