Revenge at Monte Carlo (1933)

Following President Alarcon's ouster from rule in the mythical republic of Luvania, a group of aristocrats plot in Monte Carlo for Alarcon's return and sign a manifesto pedging their fortunes to that cause. After Francisco Hernandez's father and brother are arrested as conspirators, secret intelligence chief Mendez offers Hernandez the chance to save their lives if he secures the manifesto in Monte Carlo.