Amy Fleming, a talented teenage girl, and her horse-whisperer mother rescue an abused horse named Spartan.

After a misunderstanding between Amy and Lou, Lou sends home a horse who has not yet been cured of its fear of cars.

An "Open House" at Heartland allows Amy to demonstrate her ability, despite accusations from Val, and helps to bring in business.

Amy and Lou find a letter written by their father asking their mother for forgiveness.

Lou decides that a video is a great way to advertise Heartland, but not everyone is too fond of the idea.

Carl, Lou's New York boyfriend, comes to Heartland to try to get her to move to Chicago with him.

A pregnant mare, riding lessons, a horse show, and a cattle roundup prove challenging for all.

Amy and Lou take in an elderly neighbor's pony and Ty's old girlfriend from the juvenile group home shows up looking for him. Meanwhile, Mallory starts obsessing over Jack's health.

Prize-winning rider Nick Harwell stops by Heartland. Mallory discovers a crooked ranch-hand who plans to sell a herd of wild mustangs to a slaughterhouse.

A famous racehorse comes to Heartland for healing, which brings some unwanted media attention.

Amy and Lou invite their dad for lunch while Jack and Lisa take a fishing trip. Ty practices his cattle-roping skills.

A barn fire brings life at Heartland to a halt, including Lou's plan to move back to New York. Jack is injured when the barn catches on fire.

Amy prepares for the upcoming jumping competition with Ashley Stanton at a horse show, and Spartan's abusive owner attempts to take him back. Ty's probation is finished and he is now free to leave Heartland.