Romance on the High Seas served as Doris Day's big-screen debut; in it she plays Georgia Garrett, a substitute traveler on an ocean cruise. Her friend Elvira Kent (
Janis Paige) had scheduled the cruise but canceled at the last minute when she suspected that her husband was cheating on her and stayed home to check up on him. Meanwhile, the husband hires a detective to watch Elvira while she's on the cruise, because he also suspects infidelity. Of course, the detective falls for the substitute Elvira, making for a somewhat complicated scenario with many possibilities. This is a fun-filled spoof with lots of good tunes sung by Day. ~ All Movie Guide