A stern Russian woman sent to Paris on official business finds herself attracted to a man who represents everything she is supposed to detest.

The future is bleak for a troubled boy from a broken home in the slums. He runs away when his step father breaks his violin, ending up sleeping in the basement of a music school for poor children.

When Barry Corvall discovers that his new bride is a possible enemy agent, he resigns from the diplomatic service to go undercover to route out an espionage ring planning to destroy American industrial capability.

Kay Denham is off for a fling in Paris, leaving her suitor Berk behind. There, she meets two new suitors, Gene and George. Gene smooth-talks her into a junket to Switzerland, but George (with no illusions about his friend) appoints himself chaperone. Through a series of slapstick winter sports, Kay remains puzzled about George's disapproval of Gene...but there's a reason.

Constance, a poor but aspiring composer, meets the great conductor, Franz, through their old music teacher. They fall in love, despite Constance knowing about Franz's weakness for pretty women.

Hans Memling, a young intellectual, patriotic German, is secretly opposed to the Nazi regime. With the aid of Gustav Schultz, Father Pommer, Anna Wahl and others, he is gleaning accurate information from foreign radio broadcasts and distributing it through Germany with an underground-press operation.

Three electrical linemen work through the hazardous conditions of the Depression Era. Sparks fly, and things become truly dangerous, when Ann comes between this band of brothers. Things get worse, after they move in together, following the death of her father, their supervisor, "Pop" Foster, from an industrial accident.

A forger steals and kills for a rare book from a library in order to make forgeries to sell to rich suckers.

A crazed scientist needs primates to conduct experiments to prove his own theory of evolution, so he organizes an expedition into the jungles of Borneo to capture the animals he needs.