They've survived THE CALL - but now the horrors of the Greylands are coming through into the real world. We are being invaded. Are you ready?

Imagine that your country is full of people ready to betray their family and friends to the cruel and pitiless enemy. Then, think that every one has branded you as the traitor. Nessa is locked in a maximum-security prison where death awaits her and with only murderers and the mad for company. And the enemy is about to invade ...