A former bootlegger is now the prosperous owner of a popular nightclub. A hustling promoter manages to pass off a young singer as the heir to a fortune and gets her booked at the club.
A soldier falls in love with a newly-married woman after her husband abandons her for a business meeting on their honeymoon.
Unable to complete the deal by telephone, advertising executive Roberts sends his assistant Ann to Cuba to lure a Cuban band, led by Desi Arnaz, on to an American radio program. Attracted to Ann, Arnaz and his band come to New York but complications arise when the squeaky-voiced, addle-brained sponsor of the program decides she wants to be the vocalist on the program.
