The Slippery Slope

Amy is inspired to take her horsemanship to a new level, while Ty makes a big decision in order to help them grow as a couple.

Jack convinces Tim to go on a covert mission, while Amy trains a horse with a big race coming up.

Tim reveals to the family that Shane is his son which threatens to ruin the naming ceremony for Lou’s baby girl.

Amy works with a chuck wagon horse, which may put the team in jeopardy, meanwhile Caleb returns without Ashley.

Amy helps restore the confidence of a young trick rider and Caleb pines over Ashley and accidentally meets someone new.

When one of Jack’s old band mates passes away, Lou and Lisa secretly gather the remaining band members for a reunion.

Shane arrives to stay for the summer and Tim takes all the kids on a day trip which turns into an overnight at an abandoned western movie set.

Ty and Amy learn that Mrs. Bell is missing and has abandoned Sugarfoot, while Soraya decides to visit her boyfriend in London.

When Tim’s young racehorse, Cisco, is stolen, Amy and Ty get help tracking him down with the help of Ty’s stepfather, Wade.

When Amy tries to heal an abused and violent racehorse, Ty and Jack think she’s taken on more than she can handle.

Ty’s mother, Lily, returns to Heartland with shocking news about his father, and a secret that threatens her relationship with Ty.

Jack and Ty go to a remote lake to spread Ty’s father’s ashes, while Amy gives the abused racehorse another chance.

Ty is badly hurt after a motorcycle wreck leaving Jack to find help, meanwhile Tim begins his custody battle with Miranda over Shane.

Tim tries to win the affection and support of the community in order to get custody of Shane, but his effort may backfire.

When tragedy strikes Amy must find a way to save Mr. Hanley’s rescue horses from kill buyers; Peter and Lou look for a new home.

Amy, Ty and Scott go back to Scott's reservation to help cure horses from the EHV-1 virus.

When Amy’s dog, Lobo, is injured by a trigger-happy rancher, Ty tries to save his life, meanwhile Jack asks Miranda for her help with Tim.

A mystery horse arrives which may alter lives, meanwhile Ty plans on proposing to Amy and Shane shows up at Heartland.