As the conflict in Europe spreads to the rest of the world, 20 million men join the fighting and the generals learn that modern weapons immense casualties.
Behind the front women, mothers, daughters struggle with the doubt. Are their beloved men, sons, fathers alive or are they killed? In Berlin, Kathe Kolwitz receives sad news: her son has fallen on the battlefield in Flanders..
After the United States enters the war, the Allies launch a counter offensive that finally threatens to break the might of the exhausted German forces.