Kidnappers con the daughter of a rich couple into going out of town. In reality, the young woman has been kidnapped. They are holding the young woman for a ransom of $200,000. One of the kidnappers is the maid of the rich couple. Erskine and Colby take charge of the case. The FBI men need to figure where the kidnap victim is. The mastermind of the plot doesn't plan on the victim saying alive for long.