The wild black stallion that Amy rehomed from Will's ranch is brutally forced out of the herd by the new leader, leaving Amy to track down the injured horse and nurse him back to health.
Tim is organizing an important rodeo when an old flame blows back into Hudson asking for his help.
Amy is asked to spend time at an art retreat to work with an artist's allegedly traumatized horse.
Georgie's graduation has finally arrived but so has a mysterious figure from her past.
Amy and Ty worry about the impact a surprise visitor will have on Luke.
A dangerous windstorm wreaks havoc on Hudson.
Jack is faced with painful memories from his past, and the family is at a loss for how to help him.
Amy is hired and tasked with calming one of the wild horses, but its temperament may prove impossible to work with.
A disgruntled horse owner causes problems for Ty and Amy's business, and they find themselves at odds about taking him on as a client.
Georgie and Wyatt work to reunite a famous trick-rider with her long-lost horse. Amy and Ty try to find a way to connect with Luke. Jack finally loses his patience with his unwanted house guest, Tim.
Amy and Ty treat an injured animal while on Lyndy's first camping trip. Jade has a bad fall off a bronc, and Tim and Georgie try to convince her to see a doctor.
Ty is asked to mentor a troubled kid, but finding common ground proves harder than he expected.
Amy and Ty plan a romantic trip to Pike River, but Jack tags along to visit an old friend.
Amy and Ty care for a wild mare and her foal. Which provides a solution to their parenting problems.
Right before the Fall Finale, Georgie is given a new offer by Val. Ty enlists Caleb's help in fulfilling a promise he made. Amy works on something special with Spartan before Lyndy's naming ceremony.
Amy and Ty decide what to do with the land Jack gifted to them. Lou is unsure how to support Georgie, who is considering giving up show jumping because of viral video.
Amy and Tim arrive in Mongolia but find out that Ty is in danger. Georgie's confidence is rattled by Val right before her upcoming competition.
Amy tries to get everything at Heartland organized before joining Ty on a work-related journey.
When Tim's erratic behavior sparks concern from his loved ones, Jack suspects something else is going on.
Old friends return to Heartland and Amy tries to help their son form a connection with a dude ranch horse. Georgie, Adam and Wyatt go on a road trip.