A dog gains superpowers after his is abducted by aliens. Together they battle an evil cat threatening humanity while the dog becomes a famous superher

Nickie Ferrante（加里·格兰特 Cary Grant 饰）是一个游手好闲的有钱人，在一艘游轮上邂逅了Terry McKay （黛博拉·蔻儿 Deborah Kerr饰）。两人相谈甚欢，Nickie更是船临时靠岸的时候带着Terry去了一个乡镇上看望了他的奶奶，Terry发现了Nicki