Sci-fi adventure, based on Orson Scott Card's best-selling novel, starring Asa Butterfield and Harrison Ford. In a far future where an aggressive alien race has attacked Earth, young gamers are selected for a training programme that will mould them into military commanders. One, Ender Wiggin, is so prodigiously talented that the legendary Mazer Rackham, who initially saved the world, personally takes him under his wing. Hailee Steinfeld, Viola Davis and Abigail Breslin also feature.