When a mystery horse arrives at Heartland, Amy and Ty are sent down a path that will alter their lives.
When Amy's dog Lobo is injured by a trigger-happy rancher, it's up to Ty to save his life.
Amy and Ty join Scott on a trip back to his old reservation to save a herd of wild horses from the dangerous EHV-1 virus.
When tragedy strikes Amy must find a way to save Mr. Hanley's rescue horses from kill buyers.
Amy is roped into helping Tim project a positive image to the community, in hopes it will
further his custody case for Shane.
In an attempt to avoid hitting a wolf, Ty is badly injured when he crashes his bike on a remote road, leaving Jack to search for help in the middle of nowhere.
When Jack learns Ty is riding his bike solo to a remote lake to spread his father's ashes he decides to surprise Ty and join him for this meaningful road trip.
Ty's mother Lily returns to Heartland with shocking news about his father, and a secret that threatens her relationship with her son.
When Amy bravely tries to heal an abused (and now extremely violent) racehorse Ty and Jack think she's finally bitten off more than she can chew.
When Tim's young racehorse Cisco is stolen on the way to his maiden race, Amy and Ty get help tracking him down from an unlikely source, Ty's step-father, Wade.
When Ty visits Mrs. Bell to thank her for paying his school fees he and Amy are surprised to learn she's moved out of her home, and away from Sugarfoot.
When Shane arrives to stay for the summer, Tim tries to impress all three of his kids with a "really cool" Western day trip.
A friend from Jack's past shows up at Heartland when one of their old band mates passes away. Lou and Lisa secretly try to gather the other remaining members for a reunion performance to celebrate Jack's birthday.
Amy helps to restore the confidence of a troubled, young trick-rider so that she can get back on her horse and perform again.
When Amy works with a chuck wagon horse she discovers an impediment that could put the entire team in danger and change the dynamics of a prominent chuck wagon family.
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