Lou goes head to head with Big Alberta Oil when seismic surveyors force their way onto Heartland.

Disaster strikes when the barn erupts into flames and Jack’s badly hurt getting the horses to safety.

Tim’s visit to Heartland causes sibling rivalry between Lou and Amy. Jack takes Lisa Stillman fishing on their second date.

An old girlfriend of Ty’s shows up at Heartland and stirs up trouble. Lou is reunited with Sugarfoot, Mrs. Bell’s miniature horse.

The pressure is on when a famous race horse, Gallant Prince, is sent to Heartland to see if it can be rehabilitated.

Lou decides to make a promotional video for Heartland. Ty’s new job at Briar Ridge isn’t going as planned. Scott gets Amy to help with a wild pony.

Lou sends an uncured horse back to its owner, which causes friction with Amy. Ty builds Amy a jumping ring and Jack decides to keep Ty on at Heartland.