Jack Martin is an American entertainer working cabarets on the French Riviera. An impersonation of philandering industrialist Henri Duran is so convincingly that even Duran's beautiful wife is fooled by it. When Duran's business interests compel him to be in London when he should be hosting a large soiree at his home, Martin is persuaded to impersonate Duran at the party. But matters threaten to get out of hand when Martin, dressed as Duran, is confronted...
"Don Ameche and Alice Faye pair up as husband and wife, Baron and Baroness Duarte, and head to South America in this musical classic. In order to avoid some financial problems, the Baron switches places with impersonator Larry Martin "Direto da Broadway" (also Ameche). When Martin's affections for the Baroness are too kind and romantic, both the Baroness and Martin's girlfriend Carmen realize their men are up to something."--Container.