Phantom Stallion 6: The Challenger

Wildcats have been spotted nearby, but they haven't hurt the ranch horses--yet.  So Samantha is outraged when a neighboring rancher vows to kill the cats on sight. 

Her family's horses may be safe, but out on the range Sam spots a wild young stallion without a herd.  Being alone puts this horse in danger.  But can Sam protect the rebellious mustang and still save the wildcats?