'Rene Denfeld reminds us that storytelling remains one of the most powerful means we have of confronting our darkest human impulses, and sometimes overcoming them.'--Washington Post From the bestselling author of The Child Finder and The Enchanted, a compelling and poignant psychological thriller of sibling bonds, monsters masquerading as caretakers, terrifying secrets, and the power of love to right even the most egregious wrongs. Twenty years ago, a nine-year-old boy was swept away by powerful waves on a remote Oregon beach, his body lost to the sea. Only a stone memorial remains to mark his tragic death. For most of her life, Amanda Dufresne had no idea she had an older brother named Dennis Owens, or that he had died. Adopted as a baby, she learned about him while looking into her late birth mother, and is curious to know more about this lost sibling. A solitary young woman, Amanda has always felt distanced from the world around her. Her brain works differently from others, leaving