All seems lost for the Allies. The Italians are defeated at Caporette, and a Bolshevik Russia pulls out of the war. But the American reinforcements are decisive, and the Allies emerge victorious. The Allies are unable to negotiate an honorable peace agreement, and the Treaty of Versailles, 20 years later, will have disastrous consequences.

Russia 1917. Tsar Nicholas II is the first Emperor to fall as a result of the war. Will the Russian revolution mean an end to their involvement? A new German offensive could pull the United States into the conflict and fuel the flames of war.

一九一六年，第一次世界大戰進行得如火如荼。戰事由法國的戰壕，擴展至意大利阿爾卑斯山地區，以及巴爾幹半島，並波及東方世界。戰爭越趨工業化，數百萬噸的砲火在戰場橫飛。在大戰的第二年，凡爾登及索姆河分別發生戰爭，死傷至為慘重。到底誰能阻止這場如同地獄般的戰爭？

1916. The war is raging in Europe and stretches from the trenches in France to the Italian Alps and the Balkans, and beyond to the gates of the Eastern world. The conflict becomes industrial, and millions of shells rain down on the battlefields; Verdun and the Somme are the deadliest battles in this second year of the war. Who can stop this infernal machine?

The French army stops the German advance at the battle of the Marne, while the Germans halt the Russians at Tannenberg on the eastern front. In France, the warring parties dig themselves in for 4 years in the trenches. Soldiers from the colonies come lend a hand to their colonizers and the war becomes global.

On June 28, 1914, the assassination of an obscure Austrian archduke in Sarajevo triggers the most disastrous conflict the world has ever known. Germany becomes an enemy to France, invades Belgium, and in September arrives at the gates of Paris. Will Germany win the war so quickly?