Robert Gregory (Tony Martin), an understudy in a musical, has an opportunity to play the lead -- the day before he is being forced to leave America. While on the way to the boat taking him back to England, his cab collides with that of Patricia O'Malley (Rita Hayworth), who is about to marry an eccentric millionaire whom she does not really love. Immediately attracted to Robert, Patricia hides him at her uncle's house. Meanwhile, her fiance, Charles Gardner, dispatches his butler to find her. To make matters worse, Immigration officials are searching for Robert! Academy Award Nominations: Best Song ("It's a Blue World").