British activist Guy Fawkes and a group of provincial English Catholics plan to blow up the House of Lords and kill King James I in the early 17th century.
Behind every plot is a mastermind.
Did You Know?
Lord Robert Cecil in real life had scoliosis and was hunchbacked, which explains his irregular posture in the show. He was was 5'4" tall but is played by Mark Gatiss
who is 6'1" tall. See more