Young Carl Fredricksen sat in the darkened movie theater, wearing his leather flight helmet. He straightened in his seat as a newsreel flickered onto the screen. The newsreels were Carl's favorite part of going to the movies. They were full of information about people, places, and exciting events going on in the world.卡爾·費迪遜是一位自閉孤僻、脾氣古怪的老人。他與妻子艾莉從小就夢想著能住在仙境瀑布上??上У氖?,直到艾莉去世他們也沒能實現(xiàn)這個愿望。為了完成艾莉的夢想以及自己對艾莉的承諾,卡爾用氣球將自己的房子打造成了一座可以飛的屋子,并在無意中邂逅了開朗樂觀的小男孩兒小羅。這一對老少完全不搭調的組合,乘坐著“飛屋”開始了他們奇特的冒險旅程。