Uncover the secret state that helped keep Queen Elizabeth I in power for more than 40 years. During a time when Britain was divided, unstable and violent, the world’s first secret service was born.

Part 3
England has a new monarch, King James I, and Elizabeth’s former spymaster, Robert Cecil, faces his toughest test. A group of religious extremists plan to blow-up the Houses of Parliament with the king inside – what we call the Gunpowder Plot.