Lost and Gone Forever

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. One of the "runaways" is a horse that likes to jump fences; Amy is trying to find the owner but she grows attached and gives the horse a name: Phoenix Rising. The other "runaway" is an eleven year old girl whose name is Georgina, but who wants to be called Georgie.

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. Brenda, who is Phoenix's owner, comes to Heartland to take him home with her. So Amy discovers that Phoenix's real name is Sky's The Limit and that Brenda has problems taking proper care of her horses.

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.

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

Janice brings Cisco Kid (and her emotional baggage over Tim) to Heartland for Amy to figure out why Cisco’s lost that winning feeling. Georgie discovers a stray dog: with Mallory's help they try to rescue her from a well.

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

Chase Powers returns to Heartland with his wife, Hayley, who is an aspiring liberty horse rider. She wants Amy to be her coach. In the meantime Lou makes some hard decisions about her job.

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. In the meantime Lou tries to win Dan (Lisa's ex-husband) over as a client and Georgie has to work with Mallory in order to prepare a party for Ty.

A series of unexpected events elevate 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.

Amy must make a difficult decision about Phoenix. Jeremy's horse is seriously injured which just may end his jumping career.

To help boost business at Heartland Lou hosts a horse show with catastrophic results.

Amy must face one of the most heartbreaking decisions of her life; Mallory and Georgie are suffer the events at the horse show in very different ways.

A fatality at Scott's clinic jeaopardizes Ty's future as a vet. Lou deals with Caleb who begins to act more like a husband and less like a hired hand.

Ty searches for the proof he needs to clear his name, by any means neccesary. Lou and Peter's romantic weekend is interrupted by Eden, Peter's ex-wife.

Tim welcomes Shane and Miranda back to Heartland and Lou stumbles upon a shocking secret.

When a girl at school makes Georgie question her place at Heartland she loses her winning spirit as a show jumper. Meanwhile, a new ranch owner may have prior claims on Phoenix.

When Georgie's brother Jeff shows up at Heartland the family is faced with losing her forever.