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

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.

To clear his own name, Ty searches for damning evidence to prove Jeremy was behind Buckingham's death.

Ty's future as a vet is in serious jeopardy when he's blamed for a shocking fatality at Scott's clinic.

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

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

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

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.

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.

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.

Chase Powers returns to Heartland with an aspiring "liberty horse" rider (Hayley) who wants Amy to be her coach. And Amy is shocked to learn what Hayley's connection is to Chase.

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

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 tries to fulfill Mallory's dream of being a show jumper but discovers that it's Georgie who has the natural talent.

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.

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.

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.