Twelve-year-old Autumn's world is shattered when her beloved Great-Pop, Tommy Johnson, suffers a stroke that leaves him comatose. With everyone around her resigning themselves to the inevitable, Autumn is the only one not willing to give up. She and Great-Pop have more secret stories to share with each other, after all. More stories about Roy McMillan—the great love of Tommy's life whom he lost fifty years ago.
Autumn struggles to keep Great-Pop on this side of death's door. But how can she compete with the beautiful and mysterious Valley—a place of surreal magic where the sun never fully sets? Especially when there's someone familiar in the Valley who will do everything he can to keep Great-Pop from returning to her.