Tensions are at a peak as Raya, Christopher, and the members of the Sarian colony prepare for a war. Headquarters becomes barricaded, other colonies from across the globe join their ranks, and a foe they thought dead rises to pose the biggest threat yet. The Sirens and Halflings will have to put differences aside to work together and survive. And in the middle of all of this is an heirdom ceremony none of them expected. Raya will officially take her place at her father's side. But what's the point of becoming an heir to a throne that might not exist tomorrow?