A radio reporter begins to suspect that a commentator at his station may be using her position to broadcast shipping information to enemy spies. With the help of the girl's sister, he sets out to expose the spy and her Nazi gang.
Pamela Mitchell is a radio commentator who uses information supplied by her fiancée Gordon Morris to enable enemy submarines to sink American ships. Newspaper columnist Ward Prescott becomes suspicious and, with the aid of Pam's sister, Sue Mitchell, exposes Pam and a gang of Nazi saboteurs.—Les Adams <longhorn1939@suddenlink.net>