FBI Agent Kendall Gaige goes undercover on a South Seas island in order to expose the underhanded and exploitative business practices of Steve Landrau. In the course of his investigation Gaige is introduce to the Paris-educated native princess Tahia, who believes that he has arrived to save her people from poverty. A romance, of course, ensues as Gaige attempts to expose Landrau before his cover is blown.

A man involved in a crime (Nolan) kills his key witness by mistake and resigns himself to death. He changes his name so as not to harm his family. The law is not content with his explanation, however.

Bradley and sidekick Sharpe are sent west to investigate the murders of pony express riders who are being killed to prevent the Spanish Land Grant papers going to Washington for registration.

Jonathan Pride is a mild-mannered dance instructor in 1820 Boston. En route to visit relatives, Jonathan is shanghaied by a band of zany pirates and forced to work as a galley boy. When the pirate vessel arrives at the port of Las Palomas, Jonathan, clad in buccaneer's garb, makes his escape. Everyone in Las Palomas, including Governor Alcalde (Frank Morgan) and fetching senorita Serafina (Steffi Duna), assumes that Jonathan is the pirate chieftain, leading to a series of typical comic-opera complications.

An ambitious Mexican-American gets mixed up with the neurotic wife of his casino boss.

In the Spanish town of Magdalena live María and her sweetheart, Pancho, son of the governor. When the town is captured by brigands led by Ramírez, the governor is deposed, and Don Domingo Maticas is appointed in his place. Ramón, son of the new governor, becomes infatuated with María. She repulses him, but he is encouraged by her mother.