托比是个十二岁小男孩,母亲过世后,与继父切特和小狗拉奇一起生存.阿姨薇拉丽为争取财富,冒死与切特争夺托比的监护权,拉奇在追赶小偷时死于车祸,装有托比母亲尽笔的文件箱也被盗走,然而正在托比痛不欲生之时,拉奇又如鬼魂般出现了,在鬼魂狗拉奇的辅佐下,托比一面为父亲物色女友,一面开端寻觅文件箱的下落……

Doug Baily's father is weird, but a strange machine in the garage now makes him invisible too. Its a roller coaster ride of fun and hijinks as Doug tries to turn his invisible dad back to normal again