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.

Ben Stillman arrives at Heartland and his treatment of his horse Red angers everyone. Ashley lures Ty to Briar Ridge with a job offer.

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.

Lou's boyfriend Carl arrives at Heartland with a couple of different proposals for Lou. His welcome, however, is both hot and cold.

Lou isn't pleased when a neighbouring rancher brings a pregnant mare named Melody to stay at Heartland. Ty is astonished when Jack asks him to join him on a cattle roundup.

The pressure is on when a famous race horse, Gallant Prince, is sent to Heartland to see if it can be rehabilitated.

An old girlfriend of Ty's shows up at Heartland and stirs up trouble. Lou is reunited with Sugarfoot, Mrs. Bell's miniature horse.

Nick Harwell arrives to train Ben but becomes interested in buying Spartan. Mallory thinks Lou plans to re-home Copper and runs away with him, only to discover a plot to sell wild mustangs.

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.

Amy is bursting to ask Ty about the engagement ring, and why he hasn’t proposed yet, but a couple of “runaways” throw everything at Heartland into turmoil.

Ty struggles to deal with the fact that Amy has found the engagement ring and has to decide how and whether he is going to propose to her or not.

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.

Tim is trying to convince Jack to be his partner in the purchase of a bison bull when Miranda comes to Heartland for a visit and goes on a trail ride with Tim that could totally change their family dynamic.

Janice brings Cisco Kid (and her emotional baggage over Tim) to Heartland for Amy to figure out why Cisco's lost that winning feeling.

Amy seeks out an up-and-coming show jumper to learn why he's refusing Scott and Ty's suggested treatment for his horse.

Chase Powers returns to Heartland with an aspiring liberty horse rider (Hayley) who wants Amy to be her coach.

When Ty needs some engine parts for his broken down truck he's forced to turn to the last person on earth he wants help from - his stepfather, Wade.

A trip to help out an old friend at a fishing camp doesn't go as planned, and a series of unexpected events elevate it into a life-changing weekend for the entire family.

Amy and Ty hold off telling the family their great news when they return from their trip to find everyone reeling from the devastating fire at Lou and Peter's home.

Jeremy forces Amy to make a tough decision about Phoenix when his horse, Buckingham, sustains a serious injury that threatens his jumping career.

When a local horse show is cancelled Lou saves the day for Georgie and Mallory by stepping up to host it at Heartland.

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

Ty's future as a vet is in jeopardy when there's a fatality at Scott's clinic.

In an effort to prove Jeremy was responsible for Buckingham's death, Ty searches for evidence.

Amy is having trouble dealing with a roping horse that only wants to buck and Caleb, who isn't sure he wants to ride broncs anymore.

Amy and Lou help Georgie regain her confidence as a showjumper when Olivia makes her question her place in the family.

With the threat of losing Phoenix looming over their heads, things become even more complicated at Heartland when Georgie gets a surprise visit from her brother Jeff.

Amy returns from Europe but finds herself struggling to integrate back into life at Heartland and her relationship with Ty.

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

Lavish gifts from afar put more distance between Amy and Georgie.

A surprising visitor at Heartland makes a unwelcome declaration. Amy is forced to deal with the devastating consequences.

Amy struggles to pair up some horses. Then is forced to go head to head with a rival trainer.

Amy blames Georgie and Jade when a clients horse keeps escaping. She then re-evaluates things when she learns the horse has hidden skills.

Amy struggles when she tries to help a Hutterite family who's Percherons have run amok during a hayride.

Georgie's life at Heartland could change forever when a school project opens a door.

When a threat of a cull looms over a herd of wild horses, Jack and Amy go to the aid of an old friend in Pike River.

Amy and Ty find themselves drawing closer as they make a desperate bid to save the wild horses.

A client reveals that Peter turned down a job offer, leaving Amy in a difficult position.

When Amy is invited to do a horse clinic in Montana, she and Ty decide to take a road trip together, but an unexpected encounter derails their plans.

Tim opens a rodeo school, determined to help young people avoid injury while getting the training they need, but is immediately confronted with a problem student.

Amy and Ty help Scott’s nephew realize he is worthy of continuing his family tradition of relay racing.

Lou returns from Vancouver with an admission that threatens to change the Heartland family forever.

The family strives to support a devastated Georgie when Lou and Peter are forced to tell her distressing news.

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.