Major Luis Castro's cunning ability to strategize makes him invaluable to the Confederate Army--but it's his ability to empathize that not only furthers his post-Civil War career, but saves his life.Tough as nails, but only when he needs to be, Castro goes to great lengths to live by the Golden Rule. He plays an integral role in driving the Mexican Army out of Texas and back into Mexico, saving hundreds of captives from slavery, and paving the way for the Southern Pacific Railroad to cross through Texas.