For fans of Laura Lippman and Gillian Flynn comes an electrifying novel of stunning psychological suspense. "A girl's memory lost in a field of wildflowers." "A killer still spreading seeds." At seventeen, Tessa became famous for being the only surviving victim of a vicious serial killer. Her testimony put him on death row. Decades later, a mother herself, she receives a message from a monster who should be in prison. Now, as the execution date rapidly approaches, Tessa is forced to confront a chilling possibility: "Did she help convict the wrong man?