Ep 12. Lost Song

Lou and Peter eagerly anticipate the arrival of their baby girl, but unexpected complications force them to make a tough decision. Meanwhile, Amy and Ty are on a desperate search for Ty's missing mare, and their quest takes them deep into the woods where they must confront a dangerous predator. As their search continues, Amy is soon confronted with a heartbreaking realization that threatens to shatter her relationship with Ty. When Jack and Lisa learn of the couple's troubles, they offer their support and help them come to terms with their reality. Meanwhile, Tim and Miranda continue to hit roadblocks in their relationship, and Tim struggles to understand the depth of his feelings for his ex-wife. As the entire community comes together to support one another, hearts are tested and lives are forever changed in this gripping episode of Heartland.