The Searcher by Tana French

Cal Hooper thought a fixer-upper in a remote Irish village would be the perfect escape. After twenty-five years in the Chicago police force, and a bruising divorce, he just wants to build a new life in a pretty spot with a good pub where nothing much happens. But then a local kid comes looking for his help. His brother has gone missing, and no one, least of all the police, seems to care. Cal wants nothing to do with any kind of investigation, but somehow he can’t make himself walk away. Soon Cal will discover that even in the most idyllic small town, secrets lie hidden, people… Read more.