The world is falling apart.

Terrorists spark a worldwide oil and gas crisis while imports grind to a halt. Europe and Britain are erupting into chaos as food runs out and desperate people take matters into their own hands.

As the government begins to seal off rioting parts of the city, Corporal Harry Miller takes an offered discharge to get his sister and her kids to safety. But he’s not fast enough. Trapped in the city with a rag-tag collection of ordinary citizens, Harry struggles to create a small pocket of stability - a place to ride out the coming confrontation between rioters and the Army, and save themselves from complete annihilation.