The discovery of a lost manuscript of prophecies by Nostradamus sends Nick Carter and Selena Connor on a global hunt for the fabled Ark of the Covenant. The prophecies lead them to the Holy Land and to the secrets of the ancient Order of the Knights Templar. The Ark is part of a conspiracy to trigger war in the Middle East and someone keeps trying to take the Project team off the board. On top of that, Nick's PTSD is pushing Selena away and he will lose her if he doesn't find a way to handle it. But how can he find time to sort out his personal life when he's caught up in one of the most dangerous missions of his career?