Soon after an unexpected threat of losing Phoenix looming over their heads, the family is on edge, especially Georgie. Not long after, things soon become even more complicated at Heartland when Georgie gets a very surprise visit from her brother, Jeff.
After Olivia makes Georgie question her place in the family during training, Amy and Lou and the rest of the members of the family help her regain the confidence she desires as a show-jumper.
After Caleb comes to Amy for a favor, she begins to deal with his roping horse but the animal only wants to buck and Amy can't seem to change that so she does what she knows best for the horse and Caleb. After his accident, Caleb isn't sure he wants to ride broncs anymore and has to decide what he wants to do.moreless
After Ty discovered who was really behind Buckingham's death, he searches for evidence proving that Jeremy had a part in it and stops himself from being accused of such crime in order to clear his name.
When Ty is accused of a shocking fatality of one of the horses at Scott's clinic, he believes someone is setting him up and has to figure out who is the culprit to save his veterinarian future which may be in some serious jeopardy. He soon discovers one of his colleagues isn't telling the honest truth about what happened.moreless
Amy is worried when she is riding Spartan like normal and suddenly he falls and she calls Scott for help. He checks her horse and comes to the conclusion that Spartan has a broken leg. It is up to Amy to make the hardest decision of her life to do what is right for Spartan.
While Georgie and Mallory are training for the local horse show in the town, they find out that it has been cancelled because the person going to host it on their land backed out and there was no one else to take place. When Lou hears about it and sees that the girls are disappointed, she saves the day by hosting the horse show at Heartland.
Amy must make a hard decision about Phoenix when Jeremy's horse Buckingham gets hurt, which puts his jumping career in jeopardy.
Returning from their trip, Amy and Ty can't wait to tell the family their great news but decide to hold off because of the recent events. When the couple arrive they discover everyone in shock from the horrifying destructive fire that destroys Lou and Peter's home.
For the Heartland family, a trip at a fishing camp to help out an old friend doesn't go as they had hoped and a series of unexpected events turn such plans into a life-altering weekend for the whole entire family.
After Ty's truck breaks down, he begrudgingly asks his stepfather for help when he figures out that he is the only one who can help because Ty's truck isn't a recent model.
Unexpectedly, Chase Powers shows up at Heartland Ranch with a teammate rider who wants only one person to be her coach and that person is Amy. Even though Amy doesn't like Chase Powers, she decides to help the rider out but it may make things worse and Amy won't be able to deal with anymore of Chase and his ego.moreless
While trying to help a show jumping horse, Amy believes something is suspicious when its owner refuses treatment. Ty wants to get answers for Amy because he agrees that she doesn't think it is right and could damage the horse to the point where the show jumping will have to end with the horse if the treatment doesn't happen.moreless
Janice visits Heartland to get Amy's help with a horse. Mallory and Georgie go shopping for Jack, only to see Ty and Cassandra having what Mallory thinks looks like a date.