Amy and Lou Fleming, and their grandfather Jack, deal with life after their mother's death while a new ranch hand, Ty Borden, comes to live and work at Heartland.

Lou sends an uncured horse back to its owner, which causes friction with Amy. Ty builds Amy a jumping ring and Jack decides to keep Ty on at Heartland.

High profile horse breeder Lisa Stillman asks Amy to help her with her horse, Promise. Lou holds a Heartland Open House to help bring in business.

Lou decides to make a promotional video for Heartland. Ty's new job at Briar Ridge isn't going as planned. Scott gets Amy to help with a wild pony.

Tim's visit to Heartland causes sibling rivalry between Lou and Amy. Jack takes Lisa Stillman fishing on their second date.

Disaster strikes when the barn erupts into flames and Jack's badly hurt getting the horses to safety.

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.

When Tim gives Amy a beautiful Grand Prix jumper for her birthday, she's forced to make a difficult choice between a career in show jumping and her work at Heartland.

Out for a ride along the river, Amy comes across an RCMP officer desperately trying to save a young boy from drowning. Scott misinterprets Nick Harwell's polo match invitation to Lou as a date. Mallory seeks Jack's advice on how to deal with her love life.

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.

In the middle of a heat wave, a cattle truck loaded with thirsty and overheated horses pulls into Heartland. Ty can hardly believe his eyes when the driver turns out to be his dad.

Ty asks Amy to give their relationship another chance. Ashley makes a decision that surprises her mother and Lou. Cattle rustlers hit Big River Ranch, and the situation gets out of hand.

Lou goes head to head with Big Alberta Oil when seismic surveyors force their way onto Heartland.

Clint brings two tough kids on probation to Heartland forcing Ty to deal with a part of his past he'd rather forget.

Lou resurrects the Hudson Derby, stirring up an age-old grudge match between Jack and Tim.

Amy resorts to desperate measures when her horse Spartan is mysteriously stolen and reappears sold to Wes, the man who set fire to the Heartland barn.

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.

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.

In the hopes of impressing Ashley, Caleb takes lessons in bulldogging from former rodeo champion Tim, who stubbornly refuses to acknowledge that he may no longer have what it takes. Kit and Ty sort out their lingering break-up issues as Ty assists Scott with the delivery of Kit's mare's foal. Lou invites Peter to manage his business from the Heartland facilities while his office undergoes renovation, and lives to regret it.

Ty and Amy clash over how best to raise an orphaned foal. Lou must defuse a potential lawsuit after fending off unwanted advances from an unscrupulous business client. Meanwhile, Val tries to connect with her newly-reconciled daughter Ashley and a cougar stalks the Heartland area.

Amy is upset when Ty flies off with Scott to a remote vet call on his last day before heading to vet school.

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 faces a tough moral dilemma when she discovers Mr. Hanley has abandoned his horses and is on the brink of losing his farm.

Caleb struggles to get over the physical and emotional scars from his terrible accident as Amy tries to get him back on a horse and Tim doles out some tough love.

A surprise announcement by Peter throws Lou's wedding plans into disarray while Amy and Ty are forced to make difficult decisions about their futures.

Amy tries to pretend that nothing has changed when Ty returns to Heartland with a surprise guest.

A looming high school graduation and Spartan's near fatal bout with colic forces Amy to face where her future really lies.

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.

Lou comes back from Dubai to spend time with the family. Ty and Amy discover where her father's rustled cattle are being pastured and the whole family rides out to bring them back.

When an irate Grant, Ty's travel buddy shows up at Heartland to punch out Ty for "kissing Blair" the disclosure puts Ty and Amy's relationship in jeopardy. Meanwhile finding out that their marriage was not legal puts Caleb and Ashley into a turmoil. All the relationship drama makes Lou question her marriage with Peter.

Jack is forced to revisit a rough patch in his marriage when he finds an unfinished song by Lyndy in her old guitar case.

Amy and Ty work through their trust issues as they train a pair of Clydesdale's, but it is an emergency at Heartland that reveals their true strength as a team when it matters most.

Lou throws herself into party planning and forces Jack to meet with an old acquaintance.

Lou spearheads preparations for the big day while Amy throws herself into gentling a rescue horse in order to avoid all the craziness.

In order to give Amy and Ty the wedding they really want, Lou struggles to deal with a slew of last minute hurdles.

Georgie’s school project on Val Stanton inspires her to take a risk with Adam.