Stanley is a bellboy at the Fountainbleau Hotel in Miami Beach. It is there that he performs his duties quietly and without a word to anyone. All that he displays are facial expressions and a comedic slapstick style. And anything that can go wrong - does go wrong when Stanley is involved. Then one day, Jerry Lewis, big star, arrives at the hotel and some of the staff notice the striking resemblance. Stanley continues to do what he was hired to do while star Lewis has more trouble with his entourage than the hotel accommodations.

In New York, the interior decorator Jan Morrow and the wolf composer Brad Allen share a party line, but Brad keeps it busy most of the time flirting with his girlfriends. They do not know each other but Jan hates Brads since she needs the telephone for her business and can not use it. Coincidently Jan's wealthy client Jonathan Forbes that woos her is the best friend of Brad and he comments with him that he feels an unrequited love for Jan, who is a gorgeous woman. When Brad meets Jan by chance in a restaurant, he poses as a naive tourist from Texas named Rex Stetson and seduces her. But Jonathan hires a private eye to find who Rex Stetson is.