A New York radio personality travels to the small town of Fernville to oversee a contest to identify retired safecracker Jimmy Valentine, believed to be living there under an assumed name. The close-knit town of upstanding citizens is understandably upset by this venture, all the moreso when some of its citizens begin to be murdered. The radio personality and the local newspaper's young daughter collaborate on solving the murders while revealing Valentine, who has become one of the suspects.

In Shanghai amidst Sino-Japanese warfare an adventurer (Sanders) collecting money from gun suppliers falls in loves with a French singer (Del Rio).

Mr. Dithers invites the Bumsteads on a South American cruise. Somehow Dagwood winds up as the female drummer in the ship's band, while Penny Singleton gets to show off her Broadway background in some lively musical numbers.

A lawyer is framed for the murder of a young party girl and tries to clear his name.

Charming Andre Cassil woos physician Jane Alexander and the two impulsively get married. The honeymoon ends very quickly when Jane voices her progressive views on marriage which include the two having separate apartments. Andre then tries to make his wife jealous in order to lure her into his bedroom.