Eighteen-year-old Serena reigns as queen of both the Undine of The Deep and the wolves of The Dry. The alliance between her maidens and the werewolves is shaky when all at once the basic necessities of food and shelter are taken away and both their worlds fall apart. After decades of war, the two societies must work together to face what lies ahead. A promised land is theirs for the taking, but first, they must survive each other.