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 1
William Cecil, Queen Elizabeth I’s spy master, intercepts a conspiracy to assassinate the queen. When he discovers that Elizabeth’s own cousin, Mary Queen of Scots is behind the plot, he lays a trap to capture and execute her.