In season 5, the characters of Heartland will find they have to return to their roots in order to move forward. Amy will reach a new level of horsemanship. Lou discovers the sacrifice and reward of becoming a working mother while transforming the Heartland Dude Ranch with her husband, Peter. Tim will seek out his long lost son and work on building a relationship with him, while Jack, as always, remains the rock of Heartland, keeping the family together through thick and thin.