In a casino in a We'5t German health resort, one often sees Sybille - an attractive young student actress. With her winnings from the roulette table, she attempts to finance her studies. Despite a rather lucky streak, her winnings are a little on the lean side. She doesn't, however, gamble with her...
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?...
