Why are societies predisposed to war? And why are completely unrelated wars fatally similar in their making? These questions are on Global Warning's agenda as director Ernst Gossner inquires into his native Tirol's own last war - the war between Austria and Italy on top of Tirol's mountains a hundred years ago. What at first seems like just one more episode of WWI slowly reveals its relevance towards present events, and the grand tragedy of war in general.