An investigation into the knights' 4,000-mile network and underground movements.
The team begins their investigation, exploring tunnels and a Templar safe house that could have been used to get sacred relics to safety during the fall of the Jerusalem.
The team explores an ancient tunnel complex in Acre, where new technology reveals a mysterious hidden room, and the island of Cypress, where a covert Templar mission may have touched down.
Did the Templars save their treasure before their fateful end? Coded symbols lead to a mysterious monastery in Spain that may hold clues to the knights' ultimate survival as a secret organization.