Jack is left to search for help in the middle of nowhere, after Ty is badly hurt crashing his bike to avoid hitting a wolf. Meanwhile, Amy believes that something has happened to Ty and Jack after seeing the mustang Ghost. Tim starts his custody battle over Shane with Miranda.
Jack decides to surprise Ty on a meaningful road trip, to a remote lake to spread his father's ashes, when he finds out that Ty was originally planned on going alone. Hurt that Ty planned on going alone, Amy devotes her time to working with Alcatraz when she gets a visit from paraplegic war vet-Bryce. She hopes this visit will give Alcatraz a a second chance, and a new purpose.moreless
Amy is still trying to heal Alcatraz. Meanwhile, Lily, Ty's mother comes to heartland with information about his father and a secret that puts her relationship with Ty in jeopardy.
Ty and Jack think that Amy has finally taken on too much when she tries to help an extremely violent and abused horse.
On the way to his maiden race, Tim's race horse Cisco is stolen. Ty and Amy try to help, and are forced to seek help from an unlikely place- Wade, Ty's step-father.
Ty goes to see Mrs.Bell to thank her for paying his school fees, he and Amy are surprised to learn that she has moved into a retirement home away from Sugarfoot and that she wasn't the one who payed for his school fees. Together they break her out of the 'old folks home' only for Mrs.Bell to realize that maybe she belongs there. Shane wants to go to the races with Tim and Janice, causing arguments to take form. Peter loses out on a job because Lou got chosen for it over him and Soraya decides to move to London to be with her boyfriend.moreless
When Shane comes to stay at Heartland for the summer Tim tries to impress his kids with a day trip to a old western movie set, but misfortune hits and they become stuck there for the night. Caleb tries bull riding and Ty fixes an gas powered racing bathtub. Mallory become upset when she finds out something upsetting about Lou.moreless
When one of Jack's old band mates passes away, he runs into an old friend. With Jack's birthday coming up Lou and Lisa secretly gather the remaining band members for a reunion to celebrate his birthday. The girl Caleb met at the bar comes to Amy for help with her horse. To get closer to her Caleb tries to teach her bronc riding.moreless
A young trick-rider comes to Amy to sell her horse, but instead Amy helps her restore her confidence and get back up on her horse to preform again. With all the growing number of people living at Heartland, Jack builds an outhouse to accommodate them all. Caleb gets drunk while pining over Ashley and meets a girl.moreless
A important chuck wagon family enlists Amy's help in figuring out what is throwing off the horse team. Caleb comes back to Hudson, without Ashley. With the new baby in the house, everyone becomes sleep deprived.
When Tim accidentally reveals to the family that Shane is his son it throws everybody for a loop. Throw in Lou's in-law and this threatens to ruin the traditional Bartlett naming ceremony for Lou and Peter's baby girl.
Working with a liberty horse trainer inspires amy to take her horsemanship to a new level. To help her relationship with Ty, and her work with horses, Amy realizes she has to return to her roots. Meanwhile, Ty moves into Caleb's trailer to help Amy and him grow as a couple.moreless