28 Days Later is a 2002 British post-apocalyptic horror drama film directed by Danny Boyle, written by Alex Garland, and starring Cillian Murphy, Naomie Harris, Christopher Eccleston, Megan Burns and Brendan Gleeson. The plot 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 destruction of the life they once knew while evading those infected by the virus.