Their fanatical courage struck terror in their enemies. Their fabulous wealth made them the most powerful men in Europe. Their secret rites inspired rumors of heresy. In the Crusades, these ferocious sword-wielding monks were charged with protecting the Kingdom of Jerusalem. In defeat, they were burned at the stake. Journey from Middle Ages Jerusalem to modern day Europe to unravel the extraordinary story of the legendary Knights who some say survived their supposed execution at the end of the Crusades and have preserved their order to this day. Leading historians reveal their fantastic origins, and period accounts bring their legendary battles to life. Ancient documents and artefacts hint at the mysteries that surround them. Did they discover ancient secrets buried beneath Solomon's temple, and conspire to seize part of Europe for themselves? Explore the incredible history of the Crusade's mightiest and most puzzling warriors.