In a world full of lies, what do you do when the one person you truly believed in turns out to be the biggest lie of all? Lark has finally escaped the confines of her colony. But at what cost? Half her friends are missing and her former life is gone. Now she is trapped in the depths of the ocean, forced into hiding with a group of strangers and the boy who broke her heart. Only Dessa stands with Lark against the strange, new world in which they hide: The one person left who Lark can really trust. But Lark’s best friend faces demons of her own, memories of cruelties buried deep but not forgotten. Together they must find a way to overcome the past, survive the present, and above all find hope for the future. But then, of course, there are the Others …