The rider sprang off as light as a cat and pulled the reins over the horse's head. Then he marched straight over to me and put them into my hand. Hold the mare for me, lad. And when I come back, I'll give you a golden guinea. A dark stranger leaves his magnificent horse in the care of a boy he's never met. As dusk falls, others offer to pay the boy handsomely for the animal. Then soldiers arrive, demanding to know where the horse's...