1Episode 1
As the United Grand Lodge of England celebrates its 300th anniversary the secretive organisation throws open the doors of its wood-panelled rooms to show some of what goes on behind-the-scenes.
2Episode 2
Cameras capture one of the most important ceremonies in Freemasonry as two men undertake their Second Degree ceremony to become Fellow Craft Masons. Two members organise a charity boxing event.
3Episode 3
The most powerful of all Masonic rituals comes under the spotlight.
4Episode 4
Freemasons reveal why they joined the brotherhood. Plus, it's the annual ladies' night in Bedford and a new music-themed lodge opens in South Wales.
5Episode 5
Liverpool player Adam Lallana's Freemason father David opens a football-themed lodge as the world's oldest fraternity looks for new ways to attract members.