Amy finds herself working with the enemy when Ashley asks for her help. Amy's also preparing Spartan for the Fall Finale while Lou decides what to do about a job offer in New York.

It's been four months since Ty's sudden and unexplained departure, and Amy has moved on and become used to working with Caleb Odell, Heartland's new stable hand. With Amy's 16th birthday just days away, Lou is busy planning a surprise birthday party for her sister.

The spring cattle drive is a much-anticipated event, and Lou hustles everyone out of the house at the crack of dawn for a secret all-day date with Scott. Simmering tensions rise to the surface as Amy seems more interested in getting roping tips from Caleb instead of riding with Ty.

With the annual Hudson Heritage Rodeo looming, everyone at Heartland gets roped into the action. Jack and Tim are forced to work together on the planning committee. Meanwhile, Lou is grooming Soraya to compete in the Queen of The Rodeo competition.

When Hollywood comes to Heartland, Amy is so starstruck, she loses track of what's really important in her life.

Ty and Amy are finally forced to deal with their feelings for each other after a snowstorm strands them at Jack’s fishing cabin in the mountains.

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

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

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.

When Amy follows in her mother's footsteps and enters a professional colt starting competition her gift with horses, and self-confidence, is put to the test.

When Amy and Ty convince Sarah, the town recluse, to let them treat her sick horse at Heartland, the family helps her face the ghosts of her past..

Tim enlists Amy to ride Lightning Dexter in a big time stakes race when he finds out his girlfriend, Janice, has teamed up with the competition

Amy and Kit have to put their differences aside to on Caleb in a team-roping jackpot.

When Amy is hired to do a horse clinic with a group of inmates, Ty is surprised to discover that one of them is a friend from his bad old days at the group home.

Tim is having no luck tracking down Miranda and Shane since she dropped the bombshell that Shane is his son... until Shane --on his own-- surprises everyone by just showing up at Heartland. And Mallory entertains the idea of going with the recently-single-again Jake to the Spring Fling. There is however --as you might expect with Mallory-- a "but" attached.

A friend from Jack's past shows up at Heartland when one of their old band mates passes away. Lou & Lisa secretly try to gather the other remaining members for a reunion performance to celebrate Jack's birthday.

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.

Amy's dog is injured by a rancher, and it's up to Ty to save his life

Tim hopes for a big commission when he helps a wealthy weekend cowboy look for his dream ranch, while Amy’s stuck teaching his trophy wife how to ride.

Scott discovers that Spartan has a broken leg and Amy is forced to make the toughest decision of her life.

Jake's unexpected arrival at Heartland forces Mallory to admit to Amy and Jack the real reason she came back to Heartland.