Phantom and Sam have become friends, and Sam is determined to defend his freedom on the open range. The mustang has been accused of stealing tame mares from local ranchers. Sam knows the Phantom isn't to blame. A local rancher offers a reward to anyone who can capture the wild stallion. The Phantom has a price on his head. Sam not only is fighting for his freedom but his life!

"Wild horses thrived for thousands of generations in the mountains, forests, and deserts of the American West. Their family herds existed in environmental harmony until man chose to "manage" them. Since then, every day more of America's wild horses disappear. But courageous people are trying very hard to reverse this, most notably, young people who feel a kinship with these often misunderstood creatures."--

Samantha, outraged over a neighboring rancher's vow to shoot the wildcats seen in the area, finds herself with a dilemma on her hands when she spots a wild young stallion alone on the range and knows the animal could be a target for the cats.

Sam helps a horse which she at first considers a wild mustang, but later she begins to suspect that it might have an owner.

The Phantom Stallion's new foal is ready to be born, and River Bend Ranch's own Dark Sunshine is the mother. Samantha couldn't be more excited, and she';s sure she can handle the new baby while everyone is gone on the annual cattle drive. But when a dangerous thunderstorm hits the ranch, Sam realizes that maybe she can't do it all alone...

Sam discovers a lost palomino in a spooky ghost town.

Sam, having discovered the Phantom's lead mare in the custody of the government, must choose between trying to secure the mare's freedom or leaving the animal to receive treatment for its injuries.

When an ambitious rodeo contractor comes to town, Sam worries her interest in tamed mustangs could mean trouble for the horses.

Sam meets Nicholas, a boy traveling on a Gypsy Vanner mare that looks like a missing mustang. Sam wants to stick up for Nicholas but should she really trust this new friend?

Sam is terrified that the Phantom may not recover after a lightning strike sets the pasture on fire threatening the mustang herd and injuring the Phantom.