小男孩坚守在旧病不起的爷爷身旁，这永远都是世界上最温情的画面，感人至深，但不乏绝境中的乐观。为了将一个一直埋在心底的秘密分享给小男孩儿，病魔缠身的爷爷依然打起精神，带着小男孩儿向树林深处进发，开始人生中最后一次冒险。 This film explores the world of humor, warmth and love through the developing relationship between a boy and his bedridden grandfather. The aging man has a secret he wants to share with his grandson and together they make for the woods on a final adventure.