In this romantic comedy, an aspiring socialite heads for a vacation in Monte Carlo where she befriends a wealthy widowed duchess and then begins blackmailing her after she steals a scandalous letter. This letter could destroy her upcoming nuptials to a stuffy Englishman. The duchess enlists the aide of an American thief to get the damning letter back. Meanwhile, her English lover continues to ardently pursue her; he is blissfully unaware that something is amiss. ~ Sandra Brennan, All Movie Guide