After a tragic accident, fifteen-year-old Amy must cope with heartache and family conflict when her British sister Lou comes to Virginia to help manage Heartland, the family's shelter for abused horses.

Malory is invited to try out for an exclusive summer riding team. Caleb, the boy she's liked all year, is trying out, too. But if she makes the team, she won't get to see her father or her favorite horse, Tybalt, until the fall. She must decide if the honor of being on the team is worth the price.

Amy is upset when her horse Pegasus appears to be dying.

Amy is faced with the task of rehabilitating Spartan, the horse Amy and her mother were transporting to Heartland when an automobile accident took her mother's life.

Amy turns to Ty for support during a family crisis.

When Amy finds out her sister, Lou, is trying to get in touch with their estranged father, she doesn't know what to do. She isn't willing to let her father into her life again. Forcing herself to forget about it, Amy focuses her attention on the new horse, Melody. But when complications develop with Melody's unborn foal, it takes nothing short of a miracle to help Amy realize that life is not about the pain you've felt in the past, but the hope you...

When Dylan Walsh arrives at Chestnut Hill, an exclusive boarding school in Virginia which emphasizes horsemanship, she realizes that her success will depend on the friends she makes.

Just when Amy feels that things are back to normal at Heartland, an injured police horse named Venture arrives. Venture's partner, Sergeant Garcia, is desperate to help the wounded gelding. Amy convinces the policeman to put his trust in Heartland's methods. But when Amy's tried-and-true remedies have no effect on Venture, she is the one who loses faith. Before she can reach a breakthrough, Amy must open herself up to new possibilities and learn to...

Amy tries to help Gallant Prince, a horse that has been traumatized by a fire in its stable.

Amy, anticipating a visit from her father from whom she has been separated for twelve years, hopes their mutual love of horses will help bridge the gap between them.