Ten Thousand Bedrooms

In Rome, hotel magnate Ray Hunter (Dean Martin) meets associate Maria Martelli (Eva Bartok), who berates his business style, then apologizes and plays guide before taking him home to meet her family. There, Ray meets Maria's younger sister, Nina (Anna Maria Alberghetti), and after a quick romance, they decide to marry. When Ray learns the traditional Martellis insist that Maria must wed first, he arranges for her marriage to her boyfriend -- only to wonder if he is marrying the right sister.