For several years, Kyros has followed his king Alexander in a war of conquest against the Persians. Now he finds himself and his beloved Macedonian army in the heart of the Persian Empire, in a world that he could only have dreamed existed, with massive cities and pyramids that reach the sky...and an army of a million men under the command of the Great King Darius, ready to devour the Macedonian invader. As Alexander pursues his dream of conquest, Kyros and his friends confront their greatest challenges yet, from the colossal siege of try to the climactic battle of Gaugamela. The chances for glory seem endless, but amidst all the pomp and triumph lies Alexander's insatiable lust for eternal warfare, won by the blood of his loyal Macedonian soldiers. The Companions soon realize that the greatest danger in Asia may be the daring ambition of their own beloved king...