In a world ravaged by crime, the entire island of Manhattan has been converted into a walled prison where brutal prisoners roam. But when the US president (Donald Pleasence) crash-lands inside, only one man can bring him back: notorious outlaw and former Special Forces war hero Snake Plissken. But time is short. In 24 hours, an explosive device implanted in his neck will end Snake's mission - and his life - unless he succeeds!