The movie takes place in the 12th century, during the reign of Saladin, the Sultan of Egypt. The story follows Balian (Orlando Bloom), a blacksmith who becomes a knight and joins the Crusades. He falls in love with Princess Isabella (Eva Green), who is on a mission to stop the Crusades. As Balian navigates the complexities of war and loyalty, he must confront his own destiny and the true meaning of honor.