"At twenty-six, Dahlia Lighthouse has a lot to learn when it comes to the real world. Raised in a secluded island mansion deep in the woods and kept isolated by her true crime-obsessed parents, she spent the last several years living on her own, but unable to move beyond her past--especially the disappearance of her twin brother Andy when they were sixteen. With her father's death, Dahlia returns to the house she has avoided for years ... [When] the...