Ep 3. Wrecking Ball

As Amy and Ty work to rebuild their relationship after their recent break up, they are both thrown for a loop when Ty's half-sister, Lily, shows up unannounced at Heartland. Despite Ty's initial hesitation, Amy welcomes Lily with open arms and is eager to learn more about her boyfriend's family. However, tensions mount when Lily starts to cause trouble around the ranch, putting both herself and the horses in danger. Meanwhile, Lou is dealing with her own struggles as she tries to convince her husband, Peter, to return home after being away for several months. Things come to a head when Lou makes a visit to Peter's hotel room and discovers a shocking revelation that could change their relationship forever. As the family tries to navigate these challenging situations, they must also deal with a group of developers who are looking to buy up the land around Heartland and turn it into a commercial development. With everything they hold dear at stake, the Heartland crew must come together and fight for what they believe in, even if it means facing some tough choices along the way. In the end, they will learn that, no matter what obstacles they may face, the love and bond they share as a family will always be the strongest force of all.