Overview: Alexander the Great has defeated King Darius at the Battle of Gaugamela, and now pursues the Persian usurper Bessus east into modern Afghanistan. He will face revolt, guerilla war and Scythian nomads, but finally he reaches the furthest point of the Persian Empire. He marries Roxana, daughter of a Bactrian lord, then continues his advance into modern Pakistan and India, where he clashes with King Porus of Pauravas at the Battle of the Hydaspes...