Einmal der liebe Herrgott sein
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.
The emergency braking of the Orient Express causes chaos. When the lights are switched back on, lawyer Branko is found murdered in his compartment. The Rarna Criminal Investigation Department starts investigating immediately. There are several suspects: Baron Hübner and his divorced wife, the seemingly too staid private detective Holzer and the mysterious Vera Panaid. Suddenly, the mysterious case takes a surprising turn...