T.K. Tonfilm-Produktion GmbH

A cabaret dancer loves a German engineer and helps save his vital drawings of ship designs from falling into the hands of foreign plotters.

The star of an operetta is engaged to its elderly director but really loves a dashing young Bavarian she met at a masked ball.

A group of popular musicians including a girl singer is staying in a spooky castle where there may be a treasure of money.