If it were up to Heather Starbuck, she'd gladly have never hiked the Appalachian Trail. But the tragic and heartbreaking death of her boyfriend, Matt Adams, became a mission to walk from Georgia to Maine in an attempt to shed light on a crisis that is gripping America. in our most powerful episode yet, she shares her story of tragedy, unspeakable loss and learning to deal with both. Audience discretion is advised.