“Soldier of God” functions as a related narrative to “Kingdom of Heaven,” focusing on a Templar named Rene (Tim Abell), a Muslim man called Hassan (Bill Mendieta), and a Muslim woman, Soheila (Mapi Galán). Following the Battle of Hattin in 1187, these characters find themselves in the desert, where they talk about religious divisions and humanity's tendency toward violence. The woman displays interest in one of the m…