Pillow Talk (1959)

In New York, the interior decorator Jan Morrow and the wolfish 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.