In this film from director Danny Boyle and writer Alex Garland, a powerful virus is unleashed on the British public following a raid on a primate research facility by animal rights activists. Transmitted in a drop of blood and devastating within seconds, the virus locks those infected into a permanent state of murderous rage. Within 28 days the country is overwhelmed and a handful of survivors begin their attempts to salvage a future, little realising that the deadly virus is not the only thing that threatens them...