Heartland fans have been on the edge of their seats this season with all the surprises, drama, and romance. However, the latest episode, "The Long Goodbye" (1708), brought the most emotional moment in the show's history. After a secret experiment, Ty Borden (Graham Wardle), who was presumed dead, reunites with his wife Amy Fleming (Amber Marshall).
Sadly, their happiness is short-lived as Ty announces his deteriorating health and that he has only a few hours left to live.