A girl is found hiding in a secret room in a house being renovated after a terrible crime. For weeks she has survived by sneaking out at night, stealing food. She doesn't appear on any missing person's file, or match the DNA of any murder victim. Six years later, living in a secure children's home with a new name, Evie Cormac, she initiates a court case demanding the right to be released as an adult. Psychologist Cyrus Haven is sent to interview her - but Evie is unlike anyone he's ever met. Damaged, destructive, and self-hating, she has an ability that makes her both fascinating and unnerving to be with - she can tell when someone is lying. Soon, Cyrus is embroiled in her unique and dangerous world, his life in utmost peril...