In the hospital a man lies dying in the most horrific pain - he is leaking blood. Not from a bullet or a knife, but from a virus. It has happened before, in Zaire. But this is not Zaire - this is Britain. And it's spreading fast.
The army is called in; the town is sealed off. Rev, Lucy and Scott are trapped in the barbed-wire ghetto as the body count piles up. Where did the plague come from? Just knowing that might lead the experts somewhere. Then Scott remembers something that leads to a shocking discovery. Could the enemy have come from within all along?
