The first episode focuses on the iconic Yeoman Warders, or Beefeaters, following their daily routine and the appointment of a new Chief Beefeater. Plus, a look at the tower's origins in the reign of William the Conqueror and a new exhibition dedicated to the infamous story of the princes in the tower.

The latest recruit to join the team of 37 beefeaters begins his career with some testing exams. Chris must learn the extensive history of the Tower by heart, a word-for-word knowledge which he will be tested on by the governor before being let loose alone on the 100,000 visitors who come to the Tower every week. Plus, chief curator Tracy Borman turns her attention to the time of Henry VIII, when the Tower gained its notorious reputation for imprisonment and execution, revealing the history of Anne Boleyn within the walls.

Examining the execution of German spies captured in the two world wars. There's a profile of suffragette Leonora Cohen, who took aim at the crown jewels to publicise her cause. Plus, a look back to 2014, when the Tower hosted a display of nearly 900,000 ceramic poppies in the moat for Remembrance Day. And cameras follow Scott, a new recruit for the Beefeaters.

Cameras follow Chris, the ancient structure's Raven Master, and General Nicholas Houghton, former Chief of Defence staff and current Constable of the Tower. Plus, a look at the original document which reveals how brutally Guy Fawkes was tortured.