Helena's mirror, a valuable piece of jewelry, has been stolen from a museum in Bremen and is to be smuggled across the Alps to the border. Alex Roscher, the border guard, catches the smugglers but gets caught up in a shootout.
Viktoria von Ballasko
Grete Steinbauer
Rudolf Prack
Alex Roscher
Oskar Sima
Wettrich
Ernst Fritz Fürbringer
Dr. Eveillard
Albert Janscheck
Karl Zumbusch
Walther Jung
Bratt