Al Goddard, a detective who works for the United States Postal Inspection Service, is assigned to arrest two criminals who've allegedly murdered a U.S. postal detective.
Night club owner Russ Vincent hires boogie-woogie dancer Betty Hannon for a spot in a South American revue headed by Lita Baron (as Isabelita.) The latter is wary of Hannon's motives, but Vincent dismisses her feelings as jealousy.
An English lady falls in love with a French pirate after he kidnaps her from her ancestral home on the coast of Cornwall and sweeps her off her feet into a world of adventure.