The young hotel manager Leutner runs for study purposes a transmitter in the hotel room of his fiancée Maria. Coincidentally he learns that a gang of counterfeiters want to get rid of a troublesome witness at 12:15 AM. Will Leutner be able to prevent this… and can he trust his fiancée at all?...
At a hotel in a resort town in the Bavarian Alps, a retired district attorney from Chicago is shot dead. Crime reporter Peter Holm is on the spot and joins in the murder investigation.
