八歲的小男孩卡爾答應小女朋友艾利將來一定會帶他去冒險。懷抱著冒險夢想，兩人從相識到結婚到艾利離開人間，卡爾從沒能實現他對艾莉的承諾。七十年過去，寡居的七十八歲卡爾老先生，為了信守對愛妻的承諾終於將在今天起飛！

卡爾先生懷著連根拔起的決心帶著他與艾利胼手胝足打造的房屋一飛沖天，往他與艾利小時候設下的終極目標─仙境瀑布前進！原本就在動物園裡賣造型氣球的卡爾先生將自家綁上數以萬計的氣球，就這樣飛向南美洲天外的世界去。

Carl Fredricksen, a 78-year-old balloon salesman, is about to fulfill a lifelong dream. Tying thousands of balloons to his house, he flies away to the South American wilderness. But curmudgeonly Carl’s worst nightmare comes true when he discovers a little boy named Russell is a stowaway aboard the balloon-powered house. A Pixar animation.