In the film that made 23-year-old Doris Day a film star to cap off her already highly successful recording career, this Michael Curtiz-directed musical comedy follows a singer on a Caribbean cruise who gets mixed up in a series of romantic problems. Georgia Garrett (Day) pretends to be her friend Elvira Kent (Janis Paige) in order to take Elvira's place on an ocean cruise. Also on board is a detective whom Elvira's husband hired to see if Elvira is cheating on him. Believing that Georgia is Elvira, the detective can't help falling in love with her. Songwriters Jule Styne and Sammy Cahn's Oscar-nominated "It's Magic" became a huge hit for Day. The film was also nominated for an Academy Award for Best Score. Sequences were shot in Cartagena, Columbia, and Rio de Janeiro and Bahia, Brazil.