When their country is invaded and their families are taken, eight high-school teenagers band together to fight. Seventeen-year-old Ellie and her friends have survived the invasion, but two of their band are captured: Kevin is imprisoned and Corrie is alive, but in a coma. Homer and Ellie are determined to get them back and to continue their campaign against the enemy. They discover that there are other rebels out there, fighting the invaders – but who are they and can they be trusted? As the pressure grows, can Ellie work out her conflicted feelings for the brilliant, arrogant Homer and the strong, gentle Lee? As war rages, and the enemy closes in, Ellie and her friends must once again fight for their lives ... but how many of their band will be left?