Welcome to the end of the world A terrible virus arrives in Great Britain, killing its victims or turning them into depraved monsters. An evacuation is organised but along the way Evan loses his daughter Harriet. He returns to the city to search for her and comes to the attention of a vicious gangster called Cortez who will stop at nothing to have what he wants. Evan has only one chance: reach the heliport before the final evacuation. If they don't escape now, they will be trapped forever on an island full of criminals and monsters.