Amy scratches the surface to discover Nick Harwell's problems with his polo ponies, Lou's life in Dubai and Tim's relationship with his jockey are not what they appear to be.
When Amy is hired to do a horse clinic with a group of inmates, Ty is surprised to discover that one of them is a friend from his bad old days at the group home.
Lou comes back from Dubai to spend time with the family. Ty and Amy discover where her father's rustled cattle are being pastured and the whole family rides out to bring them back.
When an irate Grant, Ty's travel buddy shows up at Heartland to punch out Ty for "kissing Blair" the disclosure puts Ty and Amy's relationship in jeopardy. Meanwhile finding out that their marriage was not legal puts Caleb and Ashley into a turmoil. All the relationship drama makes Lou question her marriage with Peter.
Amy must deal with Stewart Forrest's unrealistic expectations when she works with his daughter and an elite jumper that may be too much horse for the girl to handle.
A horse crazy young boy comes to Heartland and quickly bonds with Amy, but his mother has a secret that could change everything for the Fleming family.
Amy and Ty work through their trust issues as they train a pair of Clydesdale's, but it is an emergency at Heartland that reveals their true strength as a team when it matters most.
