Emil's reputation for being a troublemaker makes the Svensson family's neighbours take up a collection for sending the boy off to America. But even if he among other unfortunate mishaps causes his father to get stuck in the outhouse window and get bitten by crawfish, all is forgotten when he skillfully wins the family a free horse. And when Alfred the farmhand gets seriously ill, Emil puts his own life on the line, venturing into a snow storm to get his best friend to a doctor before it is too late.

在南方，有一個名為「浴缸村」的地方，長長的堤霸將它與城市分隔著。一群海灣居民安居於此，民風純樸，與世無爭 。當中一個破爛的小屋裡，住著純真快樂的小女孩小蝦 ，由於母親早已離家出走，小蝦一直與固執、火爆的父親眨眼 榮相依為命。但小蝦樂天知命，在大自然裡培養出豐富想像力，能與野生動物為伍；她喜愛觀察宇宙的每一個組件，傾聽來自一草一木的大自然密碼，思考箇中奧妙。 但一天，一場百年罕見的風暴吹襲「浴缸村」，村民家園被洪水淹沒，小蝦父親又忽然病危，更可怕的是，長眠於冰山中的史前猛獸也甦醒來了！小蝦害怕宇宙將瞬間瓦解，為求及時把「世界」回復原狀，她決定要比猛獸更強，在一切凶險和巨變中，堅強地生存下去！