A look at the world's first secret service. England has a new monarch and Robert Cecil exposes the most infamous terrorist threat in British history, the gunpowder plot. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Four HD
A look at the secret network behind Queen Elizabeth I's 40-year reign and the world's first secret service. An ambitious aristocrat tries to take over Robert Cecil's spy network. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Four HD
A look at the world's first secret service. When the pope declares Queen Elizabeth I a heretic, spymaster William Cecil must stop the Catholic assassins getting through. Show more
