After the attempt on the life of the heir to the throne of Austria, archduke Franz-Ferdinand and his wife, the Austrian Kronrat sits in Bad Ischl. Whereas foreign Minister Graf Berchthold and the chief of the general staff von Hötzendorf claim war against Serbia, the Hungarian Minister president Graf Tsiza and Kaiser Franz Joseph I. want to prevent the war. The german Reichskanzler von Bethmann-Hollweg informs that Germany will fulfil its duty as an ally. Earl Berchthold sends a letter to Serbia that doesn’t correspond with the arrangement with the German Reichskanzler. King Peter I. of Serbia is dismayed after receiving the letter, but wants to agree to the Austrian demands, in order to prevent a war. In doing this he is confronted with the resistance of his Minister president and that of prince Alexander, who asks czar Nikolaus of Russia for assistance. But there they also have different opinions…