Soldier of God takes place in the Holy Land during the time of the crusades. It takes off in the aftermath of the Battle of Hattin, probably the single, most disastrous defeat for the crusaders. René, a member of the Knights Templar was wounded during the battle, captured, and taken for ransom.
For those unfamiliar with history, the Knights Templar is a Christian military order that gained fame (and notoriety) during the Crusades. All members of the order take take vows of poverty, chastity, piety, and obedience. The knights of the order are practically warriors priests. In fact, they’re the elite troops among the crusaders.