With the Master of Machines as their new leader, the Crusaders are ready to assault Jerusalem once more. The Sultan must now choose between his love for a Christian princess and his faith. And Gauthier of Flanders, to free his ally Osarias's Jewish people, will have to confront the last part of his mysterious past, a Jinni. As the final battle is joined, truths will be revealed on the nature of gods and demons and the ambitions of men.