"Iris narrowly escaped her pretty, popular twin sister's fate as a teen: kidnapped, trafficked and long gone before the cops agreed to investigate. With no evidence to go on but a few scattered memories, the case quickly goes cold. Now an adult, Iris wants one thing, proof. And if the police still won't help, she'll just have to find it her own way; by interning at the isolated Shoal Island Hospital for the criminally insane, where secrets lurk in the shadows and are kept under lock and key"--
