Set in the shadows of wartime Paris, this 1940s drama directed by Albert Herman stars Lola Lane, Noel Madison and Howard Banks. When a Soviet secret agent discovers her uncanny resemblance to a dead Nazi spy, she infiltrates the enemy and works to save U.S. ships from German submarines. Assisting her on her mission are French underground agents, along with an American serving in the British armed forces.

Captain Matthews is paid 40,000 dollars in cash by Nick Conrad for his shipment of silk from China. About 15 seconds after he gets the cash, he's lured away on a false pretence and robbed by Conrad's henchmen. Newspaper reporter Jerry Mason witnesses the robbery and steals the cash from Conrad.

Gangsters try to get a boxer to throw an important fight.

A mysterious criminal known as The Whispering Shadow commits crimes by means of a gang he controls by television and radio rays. Jack Norton, whose brother was murdered by The Whispering Shadow, suspects that the eerie Professor Strang - whose ghostly wax museum contains figures far too lifelike - may be involved in the crimes.