March on the Drina is a 1964 Yugoslav war film cowritten and directed by ika Mitrovi. The film was released by the Avala Film studio in Belgrade. The screenplay was written by ika Mitrovi and Arsen Dikli. The title is derived from the eponymous 1914 musical composition by Stanislav Binicki.
The film starts with the publication of general mobilization in Serbia on July 26, 1914 in Belgrade. An artillery second lieutenant, who comes from a wealthy banking family, was assigned to the artillery battery. During the Balkan Wars of 19121913, he was a member of the Commission, which had provided guns for the army. His family now wants to put him in the commission again. He wants to join the battery and go to war instead.The artillery battery is deployed to western Serbia where an AustroHungarian attack is anticipated. They are deployed to Arandjelovac while their leaders are meeting. At the meeting, an infantry major, Kursula, gives his opinion on the main attack AustriaHungary will attack Serbia over the river Drina, not across the river Sava, as was expected. ........
Source: Wikipedia