Born in Macedonia in 356 BC, Alexander succeeded his father Philip II to the throne at the age of twenty. But the kingdom Alexander inherited was volatile. How did he defeat enemies at home and reassert Macedonian power within Greece? And what prompted his urge to dominate the world?

Against overwhelming odds, and with brilliant military strategy, Alexander led his army to victories across the Persian territories of Egypt, Syria and Asia Minor - finally reaching northwest India – all without suffering a single defeat. But the success did not come without a personal price.