A possible impostor torments a newly crowned medieval czar who may have ordered the real successor's death.

It’s the winter of 1942. A freight train on the section of the Slavonian railway Vinkovci-Nova Gradiska is under a special Gestapo escort. Fleeing misfortune and evil brought by war, the last wagon is the place of encounter of politicians, war smugglers, deserters and tamburitza players.