Dan Love es un niño de conducta agresiva que vive con su madre y con sus dos hermanos. Los tres muchachos hacen la vida imposible a la madre, con un extremo maltrato psicológico por parte de Dan. Después de una serie de sucesos, acaban ingresándolo en un centro psiquiátrico.
Albert Zack is a struggling, bumbling, advertising salesman hired to save the Beaver Bra Company from impending doom. He is charged with signing five specific, world-famous, busty woman as endorsers for the bra line. Silly antics and situations occur as he tries, mostly in various costumes, to get close enough to these women to make his pitch for their signature. Working against him are two board members who stand to gain if the company fails. As he circles the globe in search of these signatures, he is faced with a variety of challenges, one of which is a relationship with his own secretary.