Powerful and advanced aliens have captured Earth with strange powers, here one of the new overlords takes control of a city of human slaves. Unbeknownst to her she has in fact become a target of the human resistance seeking to crack the alien powers as kidnappers lurk in the wings. It turns out that not only is humanity's freedom at stake but there is a threat to life itself on the planet which one of the invaders has spotted. Frustrated by politics among her fellows she must now turn to humanity rebels itself for help. Can they see the threat or will they themselves also fall into the political trap how far does the threat of mutual extinction make an alliance work?