Susan Preston is the owner of a New York advertising agency. Her competitor, Roger Gordon, constantly intercepts lucrative orders from Susan. She hates him, although she has never met this man. A big deal is coming up in Los Angeles, and Susan and Roger go there. By chance they find themselves next to each other on a plane and, naturally, fall in love with each other. The girl manages to tell her fellow traveler about her “sworn enemy”, not suspecting that it is he. Roger has to call himself Miller. The deception is soon revealed, a series of tragicomic twists and turns follows, but in the end love wins.