28 Days Later is a 2002 British post-apocalyptic horror film irected by Danny Boyle. With a screenplay written by Alex Garland, the film stars Cillian Murphy, Naomie Harris and Christopher Eccleston. Set in Great Britain, just after the turn of the 21st century, the story depicts the breakdown of society following the accidental release of a highly contagious virus and focuses upon the struggle of four survivors to cope with the ruination of the life they once knew.