In the near future, a hostile alien race has attacked Earth. If not for the legendary heroics of International Fleet Commander Mazer Rackham (Ben Kingsley), all would have been lost. In preparation for the next attack, the highly esteemed Colonel Hyrum Graff (Harrison Ford) and the International Military are training the best and brightest young children to find the future Mazer. Ender Wiggin (Asa Butterfield), a shy, but strategically brilliant boy is pulled out of his school to join the elite.