Elvira is supposed to go on a cruise, but decides to stay home when she suspects her husband is cheating on her. Her husband suspects the same of his wife, and sends an investigator to spy on her on the cruise – but he is really spying on Elvira’s husband.
Nicky Ferrante is an international, European playboy setting forth on a cruise ship headed for New York to meet his wealthy fiancée. Terry McKay, a former night-club singer, is sailing to New York to be with her long-time boyfriend, who flew on ahead to close a business deal. Nicky and Terry meet on the long cruise, and romance, replete with complications, ensues.