''Sly, sharp, and utterly captivating'' Rory Power, New York Times-bestselling author of Wilder Girls ''Hits you like a shot of the very good stuff ... Dark-hearted, complex, and accomplished'' C. A. Fletcher, author of A Boy and His Dog at the End of the WorldA darkly brilliant and twisted solo debut novel about secrets, lies - and strange revengeYears after complete antibiotic resistance has resulted in the loss of most human life on earth, Kit and Crevan eke out an existence on a remote island. Under a collapsing castle, they spend their days in an underground bunker packed with emergency stores, venturing out only at night. They are safe. One evening a woman washes ashore, nearly drowned. Crevan wants to keep her alive, but Kit isn¿t so sure. The new arrival will implode Kit and Crevan¿s world with dire and fatal consequences, churning up the waters of the past and unearthing secrets they have kept from each other and from themselves. Who i