Fifteen years have passed since the Martians' first failed invasion of Earth. The year is 1914, and at the eve of World War I, Mars launches a sudden and more devastating second attack. A small defense force, A.R.E.S., is Earth's only hope. The giant A.R.E.S. battle tripod GOLIATH is called up to war, and its young multinational crew must face their fears in their struggle to save Humanity from the alien invaders.