Two years after being thrown by her horse, Blackie, in a near-fatal accident, Sam returns to her family's ranch and meets a mustang that could be the missing Blackie, or the legendary Phantom, or both.

Sam, having rescued an abused mare from a gang of outlaw rustlers, now faces the question of what to do with the horse since her father's ranch already has a full corral, and a drought has caused a shortage of feed.

Sam feels like a hero when she finds a home for a group of mustangs, but is overwhelmed with responsibilities when she agrees to help care for the horses.

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 Samantha rescues a beautiful draft horse from an auction, she is sure he will be perfect to groom for resale.

Samantha discovers a plot to wipe out the wild horses near her family's ranch, but she can't convince anyone else that the Phantom's herd needs help. When her insistence that the mustangs are in danger pits her against her family, her classmates, and the local sheriff, her only friend left is the Phantom Stallion. Can he help her solve the mustang mystery before her dad sends her out of harm's way, back to San Francisco? Samantha discovers a plot...

When a hard-luck horse named Jinx comes to River Bend, everyone thinks he's a curse. Samantha knows he;s not, but he is unruly, skittish, and the fastest horse she's ever seen. Then there's a runaway in the middle of the night, and someone gets a snakebite. Is the bronco really a jinx? Or could he be the good-luck charm Sam needs to save the day?

Sam tries to help a friend with his newborn horse. But when the colt goes missing, Sam is the one who needs help--from the Phantom Stallion.

When Sam attempts to find the owner of a horse that showed up during a cattle drive, someone starts threatening her.

A movie star horse and his trainer come to River Bend Ranch.

Samantha's friend Ryan wants to capture his horse Hotspot, who has been running with the Phantom Stallion's herd.

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?