In 327 BC, Greece goes head-to-head with India in Alexander the Great's final campaign. As Alexander leads his armies into India, he faces one of the most challenging tactical challenges any ground commander can confront--a forced river-crossing, a raging thunderstorm, and a vicious enemy. Alexander is able to deceive the Indian General Porus into believing that they would not attempt a crossing; instead, he maneuvers his infantry across the river at night--catching the Indian Legions unaware. Victory is at hand, thanks to this strategic brilliance.