All is quiet in the city of Rosewater as it expands on the back of the gargantuan alien Wormwood. Those who know the truth of the invasion keep the secret. The government agent Aminat, the lover of the retired sensitive Kaaro, is at the forefront of the cold, silent conflict. She must capture a woman who is the key to the survival of the human race. But Aminat is stymied by the machinations of the Mayor of Rosewater and the emergence of an old enemy of Wormwood.