An oil-rig comes to the Newton ranch to drill some test holes. Fury first runs away from the drilling truck, then later attacks the cab and driver. The Newtons are mystified at the horse's actions.; A loudmouth classmate dares Joey to go to the ruins of an old pueblo. Joey and Packy go to the pueblo in the daytime, but Fury won't let them get close to it. That night, Joey takes Fury back to the pueblo, but finds it full of danger.; Tactics used by wild stallions to free mares from ranches to add to their bands.; The history of horses in North America.