Set against the stunning vistas of the Rocky Mountains, Heartland follows sixteen-year-old horse whisperer Amy (Amber Marshall), and her older sister Lou (Michelle Morgan) and through the highs and lows of life on a family-owned ranch. As Lou adjusts to her new life in the country, Amy has troubles of her own as Ty (Graham Wardle) returns and competes with Caleb (Kerry James), the new stable hand, for her heart. Contains episodes 23 - 45 of Heartland as seen on TV.