William Kernell

Elsie Janis entertains the troops from the back of a truck. She calls a French soldier up to sing with her, then dances to an American song while everyone sings, and finally shares the stage with an English soldier.

Kalu and Tuila are two South Pacific islanders who are getting married. Invited to their wedding are several tourists who have recently arrived aboard a yacht. During the wedding Kalu sings a "Forbidden Melody", which is a song that a young man sings only once in his life, on the day of his wedding. However, he is enticed by Peggy, a nightclub performer who arrived on the yacht, into an illicit affair, eventually leaving with the tourists when their yacht departs. One of the other tourists is a nightclub owner, who offers Kalu a job back in the states.

Tomson, a financial adviser, is called to the aid of the country of Sylvania by the Grand Duke Constantino, known as "Tino." Tomson refuses to aid Tino until the Duke's son Alexis is married. However, Alexis, a romantic, is not interested in the blue-blooded types that his father has selected for him. Instead he wants fate to intercede. Upon learning this, Tomson plans a wife-hunting trip to Paris, "the beauty mart of the world."