"The Road to War" uses elaborate and fascinating computer-generated recreations and archives never seen before to examine how the assassination of Archduke Franz Ferdinand in 1914 was used by the Austro-Hungarian Empire to start a war against Serbia. The film investigates how this regional conflict involving the Central Powers and the Triple Entente escalated to become "World War I", a war with more than 17 million dead and More than 20 million injured.