伪兄妹

　　After a collision with a comet, a nearly 8km wide piece of the asteroid "Orpheus" is heading towards Earth. If it will hit it will cause a incredible catastrophe which will probably extinguish mankind. To stop the meteor NASA wants to use the illegal nuclear weapon satellite "Hercules" but discovers soon that it doesn't have enough fire power. Their only chance to save the world is to join forces with the USSR who have also launched such an illegal satellite. But will both governments agree?

　　在那场悲剧发生25年后，一个年轻的少年发现了属于他祖父的神秘盒子……

一只小林地生物（迈克尔·B·乔丹 配音）和一只雄伟的鸟（朱诺·坦普尔 配音）——山谷里天生的死敌——突然互换身体，必须合作（同时穿着彼此的羽毛和毛皮）才能度过他们生命中最狂野的冒险。

影片翻拍自阿根廷电影《膝下无子》，讲述了高中时期遇见初恋的男人无意间将家庭史变成秘密而展开的一系列风波浪漫喜剧故事。