Season 4

Season Four follows Amy Fleming as she dedicates herself to healing and retraining neglected and abused horses. Her ongoing mission includes taking on special projects such as training a racehorse to jump, rescuing abandoned horses, and nurturing her relationship with Ty Borden, a former troubled teen. Meanwhile, Lou faces the challenge of leading dual lives—one abroad in Dubai and one back at Heartland—putting strain on her marriage. At home, Jack and Tim, Amy's grandfather and father, wage their usual feuds, while Mallory Wells, the ever-present neighbor, continues to find herself entangled in precarious situations.