With unique and unprecedented access to one of the world’s oldest social networking societies this series asks who are the Freemasons and what do they do?

• Episode 1 — 0:00 —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.
• Episode 2 — 43:52 — 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.
• Episode 3 —1:28:01 — The most powerful of all Masonic rituals comes under the spotlight.
• Episode 4 —2:12:10 — 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.
• Epideo 5 —2:56:18 — 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.