Young arcologist Finn Ryan and charismatic pilot and photographer Virgil hilts are scouring the Sahara for the long lost team of the apostle. But they find something they aren't looking for, signs of a decades-old murder, along with the ancient room and Medallion bearing the infamous name of a fallen angel. It doesn't take long for them to realize that they found a piece of a much bigger puzzle and a trail of clues that could get them killed. Forced to flee from a Relentless enemy, Fin and Virgil are pursued across the globe. For the Sinister ruins from the ancient Monastery to sunken ship in the caribbean, the two desperately search for the truth that can save their lives, but might shake the foundations of history.