Unnatural calm. A silent storm gathers. Extinction beckons.

Survivors from mainland Europe and North America converge on Britain. Weary, confused, all come seeking answers; many come spoiling for a fight.

What began with the Cleansing, and was hastened by the Beacon, nears fruition. Time is running out, and human numbers are too few to win the last battle alone. Unless help can be found from the unlikeliest of allies, failure is assured.

Humankind faces the final showdown. The Reckoning is upon us.