Quarantine

Amy is thrust into the limelight when she performs a "miracle" on a traumatized horse and a video of the event is posted online.

Amy finds herself caught in the middle of a family crisis when she tries to help a girl and her horse recover from what appears to be a freak accident.

Jack's truck is on its way to rust bucket heaven, forcing him to find the courage to say goodbye to an important part of his past.

Amy and Ty spend the night in the "haunted" Hanley barn, trying to get to the bottom of a mystery.

Tim and Jack are reliving their glory days and Amy begins to wonder if Ty is revisiting his past when he and Kit are thrown together dealing with her pregnant mare.

When and Amy and Ty become the proud parents of an orphaned foal, the strength of their relationship is put to the test.

Tim buys a racehorse from Lisa and puts everything on the line, including Amy, to win big.

Ty protects his mother Lily from his abusive stepfather, who shows up at Heartland to win her back.

Amy is upset when Ty flies off with Scott to a remote vet call instead of spending time with her on his last day at the ranch before heading off to vet school.

Amy leads a rescue search to find Ty and Scott, whose plane has gone missing in a remote forested mountain area.

While the boys head off on a fishing trip, the girls are left back at Heartland to deal with the havoc caused by a dog, a porcupine and a herd of escaped cows.

Victor Whitetail makes a surprise visit to Heartland, which stirs up the past and leaves Tim wondering if Victor was more than just friends with his ex-wife.

When a dangerous horse infection called Strangles puts Heartland under quarantine, relationships are put to the test and Pegasus becomes very ill.

Amy and Ty are at odds over his purchase of a vintage motorcycle, while Caleb goes off to a rodeo in Montana, despite Ashley's growing concerns about his life on the circuit.

Amy and Ty face a moral dilemma when they encounter abandoned horses on a nearby farm.

Complications arise with a secret engagement and wedding plans happening simultaneously for two Heartland couples

Amy's gift with horses and her self-confidence are put to the test in a professional colt competition.

After a surprise announcement, wedding plans are thrown into chaos and Amy and Ty make difficult decisions about their future.